Question

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 ?

Answer 1

The probability that 8 customers in the sample will return merchandise

Answer 2

The probability that 8 customers in the sample will return merchandise