Mathematics, 11.03.2020 21:31, harris435942

4. Suppose 80% of all copies of a particular textbook pass a binding strength test. Suppose we are interested in the number of books that fail the binding test among 15 randomly selected books. a. [5 pts]: If the random variable X denotes the number of books among the 15 selected that fail the binding, find the probability that at least 8 fail.

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4. Suppose 80% of all copies of a particular textbook pass a binding strength test. Suppose we are i...