Which of the following games involving the roll of a single die is a fair bet?
A)Bet $1 and receive $1 if 3 or 4 comes up.
B)Bet $1 and receive $1 if 3,4,or 5 comes up.
C)Bet $1 and receive $4 if six comes up.
D)None of the bets is a fair bet.

Question

Quizplus · Accepted Answer

In option B, the probability of rolling a 3, 4, or 5 is 3/6 or 1/2, which means that you have a 50/50 chance of winning or losing. This makes it a fair bet. In options A and C, the odds are stacked against you, so they are not fair bets. Therefore, the best choice is option B. Option D is also correct because none of the bets are fair bets except for option B.

Which of the Following Games Involving the Roll of a Single