Five identical poker chips are tossed in a hat and mixed up. Two of the chips have been marked with an X to indicate that if drawn a valuable prize will be awarded. If you and three of your friends each draws a chip (with replacement), what is the probability that at least one of your group of four will win the valuable prize? Round to the nearest thousandth.
A)0.130
B)0.870
C)0.758
D)None of these

Question

Quizplus · Accepted Answer

The probability that none of the four people will win the prize is (3/5)^4 = 0.130. Therefore, the probability that at least one person will win the prize is 1 - 0.130 = 0.870.

Five Identical Poker Chips Are Tossed in a Hat and Mixed