Emergency 911 calls to a small municipality in Idaho come in at the rate of one every four minutes. (a) What is the expected number of calls in one hour? 15.0 (b) What is the probability of three calls in five minutes? (Round your answer to four decimal places.) (c) What is the probability of no calls in a five-minute period? (Round your answer to four decimal places.)
Emergency 911 calls to a small municipality in Idaho come in at the rate of one every four minutes. (a) What is the expected number of calls in one hour? 15.0 (b) What is the probability of three calls in five minutes? (Round your answer to four decimal places.) (c) What is the probability of no calls in a five-minute period? (Round your answer to four decimal places.)
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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