Advanced Placement (AP)

Advanced Placement (AP)

12 July, 18:06

A local department store estimates that 10 percent of its customers return the merchandise they purchase. Let the random variable R R represent the number of returns for a random sample of 40 customers. Assume that random variable R R follows a binomial distribution. What is described by the value of (408) (0.1) 8 (0.9) 32 (40 8) (0.1) 8 (0.9) 32?

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