Question: Refer to Problem 5.60. In the same time period, 27% of the returns were for buyer's remorse. a. What is the expected value, or mean,

Refer to Problem 5.60. In the same time period, 27% of the returns were for "buyer's remorse."
a. What is the expected value, or mean, of the binomial distribution?
b. What is the standard deviation of the binomial distribution?
c. What is the probability that none of the 20 customers made a return for "buyer's remorse"?
d. What is the probability that no more than 2 of the customers made a return for "buyer's remorse"?
e. What is the probability that 3 or more of the customers made a return for "buyer's remorse"?

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