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Troy University Probability of Winning Specific Amounts of Cash Problem
The Governor for the State of Alabama is considering starting a weekly lottery to help raise money for the state. The Governor’s buddies have devised a game where participants must pick six numbers from a set of possible winning numbers. The more winning numbers the participant picks correctly, the greater the prize. The cost to participants is $1 for each entry into the game. On the back of each ticket is the following information regarding the probability of winning specific amounts of cash.
Numbers Matched
Prize
x
Probability
P(x)
1
$1
0.4130195
2
$10
0.132378
3
$100
0.0176504
4
$1,000
0.0009686
5
$10,000
0.0000184
6
$100,000
0.0000001
Note the following:
- The $1 fee to play the game is a sunk cost for the contestant. That is, regardless of how many, if any, numbers the contestant matches, the contestant does not get the $1 back. In the case of the contestant matching 2 numbers, the contestant pays $1 to play and wins $10, so the contestant’s net winnings are $9.
- The grand prize is fixed at $100,000, unlike other lotteries where the amount varies each week according to the number of contestants and winners during the previous week.
- Assume the probabilities provided above are accurate.
Your cousin Louie tells you that he is going to buy one ticket every week, and he will have won almost $200 by the end of the year.
- Should the governor rethink the lottery?
- Do you have any suggestions for improving the lottery?
- Is Louie correct about pocketing approximately $200?