The Nationwide Motel Company has determined that 70 percent of all calls for motel reservations request nonsmoking rooms. Recently, the customer service manager for the company randomly selected 25 calls. Assuming that the distribution of calls requesting nonsmoking rooms is described by a binomial distribution, the probability that more than 20 customers in the sample will request nonsmoking rooms is approximately 0.09.

Question

Quizplus · Accepted Answer

Using the binomial distribution formula with n=25, p=0.7, and calculating P(X>20), the probability is approximately 0.09.

The Nationwide Motel Company Has Determined That 70 Percent of All