Updated for the game starting with the
October 31, 2017 drawing. The new game picks 5 balls out of
70 and one ball out of 25.
Note:
See http://www.durangobill.com/OldMegaMillionsOdds.html
for the version of the game that was valid before October
31, 2017.
Concise Table of Mega Millions Odds
(Mathematical derivation below)
Ticket
Matches
Payout
Odds
Probability
---------------------------------------------------------------------
5 White +
Mega
Jackpot 1 in
302,575,350.00
0.000000003305
5 White No
Mega 1,000,000 1 in
12,607,306.25
0.00000007932
4 White +
Mega
10,000 1 in
931,001.08
0.000001074
4 White No
Mega
500 1 in
38,791.71
0.00002578
3 White +
Mega
200 1 in
14,546.89
0.00006874
3 White No
Mega
10 1 in
606.12
0.001650
2 White +
Mega
10 1 in
692.71
0.001444
1 White +
Mega
4 1 in
89.38
0.01119
0 White +
Mega
2 1 in
36.63
0.02730
Win
something
Variable 1 in
23.99
0.04168
Game Rules
In the new Oct. 2017 version, the price of a
ticket has been increased to $2 from $1. The numbers picked
for the prizes consist of 5 numbers picked at random from a
pool of 70 numbers (the White Numbers). Then a single number
(the Mega Number) is picked from a second pool that has 25
numbers. If the results of these random number selections
match one of the winning combinations on your lottery
ticket, then you win something.
Cash Value of a Game
If you win the Jackpot, you have the
option of either accepting 30 annuity payments (A cash
amount that is paid annually), or you can take a lump sum
"cash value" payment. If you take the annuity, you will get
a series of payments that will increase at 5% per year. The
total of these 30 payments will approximately equal the
advertised size of the Jackpot. (This assumes you are a
single winner and not sharing the Jackpot with someone else.
Taxes will subsequently be subtracted/withheld from these
payments.)
If you take an immediate cash payment
instead of the 30 year annuity, you will get about one half
(before taxes) of the advertised "annuity" value of the
game. Lower interest rates will increase this fraction while
higher interest rates will decrease the cash payout.
The following table shows the relative amounts
that you would receive given various interest rates. For the
calculations below, an advertised "annuity" value for the
Jackpot of $100,000,000 is assumed. (The $100,000,000 could
be your share of a shared Jackpot.) The amounts in the table
can be directly scaled for any arbitrary Jackpot size.
(All amounts are BEFORE taxes.)
Interest
Immediate
First Payment Last Payment
Rate Cash
Payout If Take
Annuity If Take Annuity
3.0%
$60,506,809
$1,505,144
$6,195,375
3.5%
56,062,409
1,505,144
6,195,375
4.0%
52,053,422
1,505,144
6,195,375
4.5%
48,431,551
1,505,144
6,195,375
5.0%
45,154,305
1,505,144
6,195,375
6.0%
39,488,405
1,505,144
6,195,375
8.0%
30,912,469
1,505,144
6,195,375
(All results rounded to the nearest $1)
Note that the cash value of the Jackpot is
normally about one half of the advertised value of the
Jackpot. For the rest of this web page, we will just refer
to these exact values as "about one half" instead of the
above exact values.
As an example of scaling for different sized
Jackpots, if the interest rate is 4% and the advertised
annuity Jackpot is $300,000,000, then multiply the results
in the 4% row by 3 to get the corresponding instant cash
payout amount or annual annuity payout amounts.
Combinatorics Calculations
In any combinatorics problem where all possible
outcomes are equally likely, the probability of a successful
outcome is determined by finding the number of successful
combinations, and then dividing by the total number of all
combinations. There are nine possible configurations that
will win something in the Mega Millions Lottery. For each of
these, the probability of winning equals the number of
winning combinations for that particular configuration
divided by the total number of ways the Mega Millions
numbers can be picked.
Mega Millions Total Combinations
Since the total number of combinations for Mega
Millions numbers is used in all the calculations, we will
calculate it first. The number of ways 5 numbers can be
randomly selected from a field of 70 is: COMBIN(70,5) =
12,103,014. (See the math
notation page or Help in Microsoft's Excel for more
information on “COMBIN”).
For each of these 12,103,014
combinations there are COMBIN(25,1) = 25 different ways to
pick the sixth number (the “Mega” number). The total number
of ways to pick the 6 numbers is the product of these two
partial calculations. Thus, the total number of equally
likely Mega Millions combinations is 12,103,014 x 25 =
302,575,350. We will use this number for each of the
following calculations.
Jackpot probability/odds (Payout varies)
The number of ways the first 5 numbers on your
lottery ticket can match the 5 White numbers is COMBIN(5,5)
= 1. The number of ways your final number can match the Mega
number is: COMBIN(1,1) = 1. The product of these is the
number of ways you can win the Jackpot: COMBIN(5,5) x
COMBIN(1,1) = 1. The probability of success is thus:
1/302,575,350 = 0.000000003304961888. If you express this as
“One chance in ???”, you just divide “1” by the
0.000000003304961888, which yields “One chance in
302,575,350”.
Match all 5 White numbers but not the Mega
number (Payout = $1,000,000)
The number of ways the 5 first numbers on your
lottery ticket can match the 5 White numbers is COMBIN(5,5)
= 1. The number of ways your final number can match any of
the 24 losing Mega numbers is: COMBIN(24,1) = 24. (Pick any
of the 24 losers.) Thus there are COMBIN(5,5) x COMBIN(24,1)
= 24 possible combinations. The probability for winning
$1,000,000 is thus 24/302,575,350 = .0000000793190853121 or
“One chance in 12,607,306.25”.
Match 4 out of 5 White numbers and match the
Mega number (Payout = $10,000)
The number of ways 4 of the 5 first numbers on
your lottery ticket can match the 5 White numbers is
COMBIN(5,4) = 5. The number of ways your fifth initial
number can match any of the 65 losing White numbers is
COMBIN(65,1) = 65. The number of ways your final
number can match the Mega number is: COMBIN(1,1) = 1. The
product of these is the number of ways you can get this
configuration: COMBIN(5,4) x COMBIN(65,1) x
COMBIN(1,1) = 325. The probability of success is thus:
325/302,575,350 = 0.0000010741126136 or “One chance in
931,001.08”.
Match 4 out of 5 White numbers but not match
the Mega number (Payout = $500)
The number of ways 4 of the 5 first numbers on
your lottery ticket can match the 5 White numbers is
COMBIN(5,4) = 5. The number of ways your fifth initial
number can match any of the 65 losing White numbers is
COMBIN(65,1) = 65. The number of ways your final
number can match any of the 24 losing Mega numbers is:
COMBIN(24,1) = 24. The product of these is the number of
ways you can get this configuration: COMBIN(5,4) x
COMBIN(65,1) x COMBIN(24,1) = 7,800. The probability of
success is thus: 7,800/302,575,350 = 0.0000257787 or “One
chance in 38,791.71”.
Match 3 out of 5 White numbers and match the
Mega number (Payout = $200)
The number of ways 3 of the 5 first numbers on
your lottery ticket can match the 5 White numbers is
COMBIN(5,3) = 10. The number of ways the 2 losing initial
numbers on your ticket can match any of the 65 losing White
numbers is COMBIN(65,2) = 2,080. The number of ways
your final number can match the Mega number is: COMBIN(1,1)
= 1. The product of these is the number of ways you can get
this configuration: COMBIN(5,3) x COMBIN(65,2) x
COMBIN(1,1) = 20,800. The probability of success is thus:
20,800/302,575,350 = 0.0000687432 or One chance in
14,546.89”.
Match 3 out of 5 White numbers but not match
the Mega number (Payout = $10)
The number of ways 3 of the 5 first numbers on
your lottery ticket can match the 5 White numbers is
COMBIN(5,3) = 10. The number of ways the 2 losing initial
numbers on your ticket can match any of the 65 losing White
numbers is COMBIN(65,2) = 2,080. The number of ways
your final number can match any of the 24 losing Mega
numbers is: COMBIN(24,1) = 24. The product of these is the
number of ways you can get this configuration:
COMBIN(5,3) x COMBIN(65,2) x COMBIN(24,1) = 499,200. The
probability of success is thus: 499,200/302,575,350
= 0.001649837 or “One chance in 606.12”.
Match 2 out of 5 White numbers and match the
Mega number (Payout = $10)
The number of ways 2 of the 5 first numbers on
your lottery ticket can match the 5 White numbers is
COMBIN(5,2) = 10. The number of ways the 3 losing initial
numbers on your ticket can match any of the 65 losing White
numbers is COMBIN(65,3) = 43,680. The number of ways
your final number can match the Mega number is: COMBIN(1,1)
= 1. The product of these is the number of ways you can get
this configuration: COMBIN(5,2) x COMBIN(65,3) x
COMBIN(1,1) = 436,800. The probability of success is thus:
436,800/302,575,350 = 0.001443607 or “One chance in
692.71”.
Match 1 out of 5 White numbers and match the
Mega number (Payout = $4)
The number of ways 1 of the 5 first numbers on
your lottery ticket can match the 5 White numbers is
COMBIN(5,1) = 5. The number of ways the 4 losing initial
numbers on your ticket can match any of the 65 losing White
numbers is COMBIN(65,4) = 677,040. The number of ways
your final number can match the Mega number is: COMBIN(1,1)
= 1. The product of these is the number of ways you can get
this configuration: COMBIN(5,1) x COMBIN(65,4) x
COMBIN(1,1) = 3,385,200. The probability of success is thus:
3,385,200/302,575,350 = 0.011187957 or “One chance in
89.38”.
Match 0 out of 5 White numbers and match the
Mega number (Payout = $2)
The number of ways 0 of the 5 first numbers on
your lottery ticket can match the 5 White numbers is
COMBIN(5,0) = 1. The number of ways the 5 losing initial
numbers on your ticket can match any of the 65 losing White
numbers is COMBIN(65,5) = 8,259,888. The number of
ways your final number can match the Mega number is:
COMBIN(1,1) = 1. The product of these is the number of ways
you can get this configuration: COMBIN(5,0) x
COMBIN(65,5) x COMBIN(1,1) = 8,259,888. The probability of
success is thus: 8,259,888/302,575,350 = 0.0272986 or
“One chance in 36.63”.
Probability of winning something
If we add all the ways you can win something we
get:
1 + 24 + 325 + 7,800 + 20,800 + 499,200 + 436,800 +
3,385,200 + 8,259,888 = 12,610,038 different ways of winning
something. If we divide the result by the 302,575,350, we
get .0416757 as a probability of winning something. 1
divided by 0.0416757 yields “One chance in 23.99” of winning
something. Alternately, the probability of not winning
anything is 1 - .0416757 = 0.9583243 which is about 23 out
of every 24 tickets.
Probability
of not matching anything
Match 0 out of 5 white numbers and not match the Mega
Number
There are 302,575,350 possible outcomes to
the game, Of these (as noted above) there are 1 +
24 + 325 + 7,800 + 20,800 + 499,200 + 436,800 + 3,385,200
+ 8,259,888 = 12,610,038 ways of winning something
- which leaves 302,575,350 - 12,610,038 = 289,965,312 ways
of not winning anything. The probability that a random
ticket will not win anything is thus 289,965,312/302,575,350
= 0.9583 or about 23 out of 24.
Note: This web page had over 50,000 hits for the large
Jackpot on Jan. 4, 2011. If this is representative of what
happened at Mega Millions headquarters, I extend my deepest
sympathy to their computers.
Probability of multiple
winning tickets (multiple winners)
given “N” tickets in play
Note: All calculations assume that the numbers on any given
ticket are picked randomly. In practice, many people pick
numbers based on family birthdays, etc., and thus many
tickets will have a preponderance of low numbers. As a
consequence, the probabilities of a single Jackpot winner
will be somewhat lower and the probabilities of no winner or
multiple winners will tend to be slightly higher than the
numbers shown below. Also if the numbers picked in the
drawing are clustered at the high end of the 1-70 range,
there will tend to be relatively less “partial match”
winners. The reverse will hold true if the drawing numbers
cluster in the low end of the number range.
The above chart shows the probabilities of “No
Winners”, “One Winner”, and “Two or more Winners” for
various numbers of tickets in play.
Each entry in the following table shows the
probability of “K” tickets holding the same winning Jackpot
combination given that "N" tickets are in play for a given
Mega Millions game. It is assumed that the number selections
on each ticket are picked randomly. For example: If
200,000,000 tickets are in play for a Mega Millions game,
then there is a 0.1128 probability that exactly two of these
tickets will have the same winning combination.
Note: You can get a rough estimate of the number of tickets
in play as follows. If the preceding Mega Millions game had
no Jackpot winner, then find the difference in the annuity
Jackpot amount for the prior game vs. the current annuity
Jackpot amount. The number of tickets in play is
approximately three quarters (0.75) of this number.
(Technically, this "3/4" is variable. If interest rates are
low, the ratio will be greater than 3/4. And vice versa, if
interest rates are high, the ratio will be less than 3/4.)
For example, if the preceding game had an
advertised annuity payout amount of $200,000,000 and the
current game has an advertised annuity payout amount of
$280,000,000, then there are about (280,000,000 -
200,000,000) x 0.75 = 80,000,000 x 0.75 = 60,000,000 tickets
in play for the current game. (Past Jackpot amounts can be
seen at: http://www.lottoreport.com/ticketcomparison.htm
The cash payout value for these lottoreport numbers would be
about one-half the announced Jackpot annuity amount.)
The table below shows the probabilities for 0
to 6 jackpot winners for various numbers of tickets in play.
The graph above is derived from a larger version of this
table.
“N”
Number
“K”
of
tickets
Number of tickets holding the Jackpot combination
in
play
0
1
2
3
4
5 6
----------------------------------------------------------------------
100,000,000
0.7186
0.2375 0.0392 0.0043 0.0004
0.0000 0.0000
200,000,000
0.5163
0.3413 0.1128 0.0249 0.0041
0.0005 0.0001
300,000,000
0.3710
0.3679 0.1824 0.0603 0.0149
0.0030 0.0005
400,000,000
0.2666
0.3524 0.2330 0.1027 0.0339
0.0090 0.0020
500,000,000
0.1916
0.3166 0.2616 0.1441 0.0595
0.0197 0.0054
Any entry in the table can be calculated using the following
equation:
Prob. = COMBIN(N,K) x (Pwin^K) x (Pnotwin^(N-K))
Where:
N = Number of tickets in play
K = Number of tickets holding the Jackpot combination
Pwin = Probability that a random ticket will win ( = 1 /
302,575,350 = 0.000000003305)
Pnotwin = (1.0 - Pwin) = 0.999999996695
COMBIN(N,K) = number of ways to select K items from a
group of N items
x = multiply terms
^ = raise to power (e.g. 2^3 = 8 )
Sample Calculation to Find the
Expected Cash Ticket Value
Considering
the Number of Tickets That are in Play
For this example we will assume the cash value
of the Jackpot is $400,000,000 (The advertised value of
Jackpot would be about double this.) and there are
300,000,000 tickets in play for the current game.
Probability values are from the “300,000,000” row above. The
calculated value of a ticket includes the possibility that
you will share the Jackpot with someone else.
The first calculation is: “What is the
probability that the jackpot will be won?” This is simply
(1.00 – the probability that no one will win) = 1.00 –
0.3710 ~= 0.6290. Thus the expected cash Jackpot payout by
the lottery is $400,000,000 times 0.6290 = $251,590,404.62.
(All actual calculations used full precision)
If there are 300,000,000 tickets in play, then
we divide the $251,590,404.62 by 300,000,000 to get an
average cash Jackpot payout per ticket of $0.8386. The other
smaller prizes add $0.24698 to this amount to give an
"expected before tax, cash value of $1.0856. (And remember,
you paid $2 for this ticket.)
These calculations can be used to form a table
that shows the expected cash return per ticket ( = expected
cash value per ticket). For example if the cash value of the
jackpot is $400,000,000 and there are 300,000,000 tickets in
play, then the ticket’s expected cash value is fractionally
under $1.09.
The following table shows the "Expected Before
Taxes Cash Value" of a $2.00 ticket. (includes $0.24698 for
the smaller prizes)
Nbr.
Tickets
In
Play < - - -
- Cash Jackpot Size in Millions
- - - - >
In
Millions 100 200
300 400 500
600 700 800
900 1000
-----------------------------------------------------------------------
100
0.53 0.81 1.09 1.37 1.65
1.94 2.22 2.50 2.78 3.06
200
0.49 0.73 0.97 1.21 1.46
1.70 1.94 2.18 2.42 2.67
300
0.46 0.67 0.88 1.09 1.30
1.50 1.71 1.92 2.13 2.34
400
0.43 0.61 0.80 0.98 1.16
1.35 1.53 1.71 1.90 2.08
500
0.41 0.57 0.73 0.89 1.06
1.22 1.38 1.54 1.70 1.86
600
0.39 0.53 0.68 0.82 0.97
1.11 1.25 1.40 1.54 1.68
700
0.38 0.50 0.63 0.76 0.89
1.02 1.15 1.28 1.41 1.53
800
0.36 0.48 0.60 0.71 0.83
0.94 1.06 1.18 1.29 1.41
900
0.35 0.46 0.56 0.67 0.77
0.88 0.99 1.09 1.20 1.30
1000 0.34 0.44
0.54 0.63 0.73 0.82 0.92
1.02 1.11 1.21
The calculations above use the "cash value" of
the Jackpot. The "cash value" is usually about one half of
the advertised Jackpot amount. Thus the "expected value" of
your $2 ticket will be on the left side of the table unless
the advertised Jackpot is over One $Billion. (That's a "B")
We can also see what happens to the expected
value of a ticket if a buying frenzy should develop at this
point. Let’s assume that 400 million more tickets are sold.
At $2,00 per ticket, the lottery takes in $800 million. This
$800 million is divvied up multiple ways. (For example, see
the 6 "winners" in the "3rd Thoughts" section at the end of
this web page, allocations for the smaller prizes, etc.)
Only about $200 million of the new cash input
goes to the Jackpot allocation. (The rate of increase in
Jackpot amount for a given new cash input is based on
historical Mega Million data which can be seen at http://www.lottoreport.com/mmsales.htm
) (The increase in the advertised annuity would be about
double this - or about $400 million.) The cash Jackpot is
now worth $400 million plus $200 million = $600 million.
(The advertised annuity value would be about double this -
or about 1.2 Billion.)
Thus the game has been transformed into 700
million tickets in play for a cash jackpot that is now worth
$600 million. If we follow the 700 million ticket row to the
right until we reach the $600 million column, we find an
expected cash jackpot value of $1.02. The buying frenzy has
decreased the expected cash value of a ticket from $1.09 to
$1.02. And remember, you paid $2.00 cash for the "privilege"
of participating in this (con) game.
Before Tax Return on Investment
It is interesting to calculate what the
long term expected return is for each $2.00 lottery ticket
that you buy
The first task is to construct a table where
each row lists the winning combination, the payout, the
probability of this payout, and the contribution to the
expected return (Equals payout times probability.) The
probabilities are the same ones we derived earlier. An
average $228,000,000 cash payout (decline the annuity) is
assumed for the Jackpot. (Could be your portion of a shared
Jackpot.) (Note that this "cash payout" is about one half of
the advertised Jackpot amount.
Combination
Cash Payout
Probability Contribution
-----------------------------------------------------------------
5 White + Mega
$228,000,000 3.30496E-09
$0.7535
5 White No
Mega 1,000,000
7.93191E-08 0.0793
4 White +
Mega 10,000
1.07411E-06
0.0107
4 White No
Mega
500 2.57787E-05
0.0129
3 White +
Mega
200
6.87432E-05 0.0137
3 White No
Mega
10
0.001649837 0.0165
2 White +
Mega
10
0.001443607 0.0144
1 White +
Mega
4
0.011187957 0.0448
0 White +
Mega
2
0.027298615 0.0546
Total
0.025069987 1.0005
Total for last 6 rows
0.1569
(Used for after tax calculation)
Total for last 8 rows
0.24698
(Used for before taxes, non Jackpot, cash value
calculations)
Thus, for each $2.00 that you spend for Mega Millions
tickets, you can expect to get back about $1.00. Of course
you get to pay taxes on any large payout, so your net return
is even less.
Expected after tax return on your
$2.00 ticket investment
when a large
Jackpot is in play
While the above calculation represents an
average Mega Millions game, we might ask what the expected
after tax return on your investment might be if a huge
Jackpot exists. The following analysis assumes the annuity
value of the Jackpot is $2 Billion (that’s a “B”) and there
are 600 million tickets in play. The cash value for any
Jackpot is about one-half the annuity value which brings the
real value down to $1,000,000,000. All prizes of $10,000 and
above are reduced 40% to allow for federal and state taxes.
Don’t forget that a large prize will throw you into a top
tax bracket.
First, we check the expected value of a ticket
in the table that we calculated earlier. Follow the
600-million row until you come to the $1,000 million column.
The expected cash value of a ticket is $1.68. This included
$0.1569 for the smaller prizes (no taxes for prizes under
$10,000) so $0.1569 has to be subtracted back out. This
leaves $1.53 for the 3 largest prizes. However, this has to
be reduced by 40% for taxes. This leaves an expected after
tax value of the jackpot of $0.9164. Finally we add the
$0.1569 back in again to get an expected after tax return of
$1.07 for your $2 cost of your ticket. And this is for an
advertised $2 Billion Jackpot.
The following shows the actual numbers for the Oct.
23, 2018 Mega Millions game.
Announced annuity value: $1.6 billion
Actual cash value: $903 million
(Interest rates were still relatively low)
Number of tickets in play: 370 million
(Less than the usual buying frenzy)
The relatively higher cash value and relatively
low number of tickets should have "enhanced the expected
value".
The actual calculated expected after tax value
was still only $1.24 for a $2.00 ticket. For this particular
game, the expected after tax loss for every $2 ticket that
you bought was $0.76.
Megaplier
Some states use a Megaplier feature to
increase non-jackpot prizes by 2, 3, 4 or 5 times. It costs
an additional $1 for the Megaplier play. The Megaplier
number is randomly picked using the probability table below.
If your state has a “Megaplier” and if your
state follows the probabilities posted on the Mega Million
web site, then a calculation can be made for the expected
return if you pay an additional $1.00 to participate in the
Megaplier play. To find out the expected return, we
construct a table to calculate the average expected
multiplier.
Multiple
Odds
Probability Contribution
2
1 in 3
0.333333
0.666667
3 2 in 5 (1 in
2.5) 0.4
1.2
4 1 in 5
0.2
0.8
5 1 in 15
0.0666667
0.333333
Totals
1.000000
3.0
Contribution = “Multiple” times “Probability”
1.0 has to be subtracted from this 3.0 because
you would win “1 unit” of the sub prizes just from your
simple ticket purchase. This leaves a “bonus contribution
multiplier” of just 2.0.
Thus we have calculated that the average multiplier
is 2.0. We then multiply the average extra expected return
for all the sub-prizes (previously calculated) by this 2.0
to get the expected return if you buy the “Megaplier”
option.
(0.0793 + 0.0107 + 0.0129 + 0.0137 + 0.0165 + 0.0144 +
0.0448 + 0.0546 = 0.24698) x 2.0 = $0.494
Thus if you pay another $1.00 to buy the Megaplier option,
your expected before tax return is $0.494. (The after tax
return would be less than this.)
Just the Jackpot
The new version of Mega Millions provides still
another way to play the game. You can pay $3 for 2 quick picks
that only participate in the Jackpot prize. (You don't have
to worry about matching any of the other combinations.)
If there is an advertised Jackpot of $1 billion
then the cash value of the Jackpot is about $500 million. If
there are 500,000 tickets in play, the expected before tax
value of one ticket for just the Jackpot only is 0.808426.
However you get 2 tickets which brings the expected value up
to $1.616852. The bad news is that you paid $3 to get
something worth $1.62. If you win, you will pay 40% of your
winnings back in taxes - which leaves an expected after tax
value of $0.97. (And you paid $3 for this privilege.)
Percentile Expected Returns on Ticket
Purchases
The average return per $2.00 ticket includes
the extremely low probability that you might win a large
prize – for example $10,000 or more. As a practical matter,
it is unlikely that you will ever buy enough tickets (fork
out enough money) to ever have much of a chance for any of
the large prizes. Thus it is probable that all you will ever
get back from your ticket purchases are piddling small
amounts.
The percentages for these small amounts
can be calculated. The table below shows the percentage
chances for various “piddling returns”.
If you spend $1,000 to buy 500 tickets (
= 1 ticket for each of 500 Mega Millions games = 1 ticket
per Mega Millions game, 2 times a week for 4.8 years) there
is a:
49.79 % chance
that you will get back $64 or less
58.41 % chance that you will
get back $68 or less
69.82 % chance that you will
get back $74 or less
78.81 % chance that you will
get back $80 or less
89.56 % chance that you will
get back $92 or less
94.96 % chance that you will
get back $116 or less
98.04 % chance that you will
get back $280 or less
99.02 % chance that you will
get back $554 or less
99.52 % chance that you will
get back $572 or less
99.90 % chance that you will
get back $750 or less
Even if you buy 500 tickets,
your chance of winning a $10,000 or larger prize is less
than 1 chance in 1,000.
2nd Thoughts
The 2015 fatality rate per 100 million
Vehicle Miles Traveled in the U.S. was 1.12. https://crashstats.nhtsa.dot.gov/Api/Public/ViewPublication/812318
. If you drive one mile to the store to buy your Mega
Millions ticket and then return home, you have driven two
miles. Thus the probability that you will join this
statistical group is 2 x 1.12 / 100,000,000 = 0.0000000224
fatalities per vehicle mile. This can also be stated as “One
chance in 44,642,857”. Thus, if you drive one mile to
(and return from) the store to buy your Mega Million ticket,
your chance of being killed (or killing someone else) is
nearly 7 times greater than the chance that you will win the
Mega Millions Jackpot.
Alternately, if you “played” Russian Roulette
100 times per day, every day for 83 years, with Mega
Millions Jackpot odds, you would have better than a 99%
chance of surviving.
3rd Thoughts
A lottery is a “Zero-sum game”. What one group of
participants gains in cash, the other group of participants
must lose. If we made a list of all the participants in a
lottery, it might include:
1) Federal Government (Lottery winnings are taxable)
2) State Governments (Again lottery winnings are taxable)
3) State Governments (Direct share of lottery ticket sales)
4) Merchants that sell tickets (Paid by the lottery
organizers)
5) Lottery companies (Hint: They are not doing all this for
free)
6) Advertisers and promoters (Paid by the lottery companies)
7) Lottery ticket buyers (Buy lottery tickets and receive
payouts)
The winners in the above list are:
1) Federal Government
2) State Government (Taxes)
3) State Government (Direct share)
4) Merchants that sell tickets
5) Lottery companies
6) Advertisers and promoters
And the losers are:
(Mathematically challenged and proud of
it)
Also please see the
related calculations for Powerball.
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