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Question 12

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Use the following information for questions:
Suppose that a student needs to buy 6 books for her history course. The number of books that she will be able to find used is a binomial random variable X with n = 6 and p = 0.30. In other words, the probability that she will find any given book used is 0.30, and is independent from one book to the next.
-What is the probability that she will find exactly 2 used books?


A) 0.060
B) 0.185
C) 0.324
D) 0.600

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