22. Suppose that the McAllister's purchased 15 plane tickets for an upcoming family trip to Paris. Each ticket independently has
a 0.01 probability of being accidentally thrown away. What is the probability that exactly one of the tickets is accidentally thrown away?
1 answer:
Answer:
d
Step-by-step explanation:
The correct answer is (D). If X is the number of tickets thrown away, then this is a binomial setting with n = 15 and p = 0.01.
Then P(X = 1) = 15C1 (0.01)1(0.99)14 = 15(0.01)1(0.99)14.
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