Mathematics, 19.02.2020 20:40 jcarver2494
The probability that a randomly selected box of a certain type of cereal has a particular prize is 0.20.
Suppose that you purchase box after box until you have obtained 2 of these prizes.
(a) What is the probability that you purchase exactly 8 boxes?
(b) What is the probability that you purchase at least 9 boxes?
(c) How many boxes would you expect to purchase, on average?
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