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rstredway7693
rstredway7693
19.05.2020 • 
Mathematics

The Cozy Motel has determined that 85 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 standard deviation of requests for nonsmoking rooms is customers (three decimals).
A. What is the probability that 3 or less calls request non-smoking rooms?
B. What is the probability that exactly 2 calls request non-smoking rooms?
C. What would your answer to part (b) be if 23 percent [not 80 percent] of callers requested non- smoking rooms?

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