mstoffield6103 mstoffield6103

11-06-2024
Mathematics

Answered

One library allows borrowing at most 3 books at a time. Let random variable be the number of books people borrow from the library. The probability that people does not borrow any books is 0.05; the probability that people borrow one, two, three books are 0.2, 0.4, 0.35, respectively. Find mean and variance of the number of books people borrow.

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