Emergency 911 calls to a small municipality in Idaho come in at the rate of one every 2 minutes a. What is the expected number of 911 calls in one hour? per hour b. What is the probability of three 911 calls in five minutes (to 4 decimals)? c. What is the probability of no 911 calls in a five-minute period (to 4 decimals)?
Emergency 911 calls to a small municipality in Idaho come in at the rate of one every 2 minutes a. What is the expected number of 911 calls in one hour? per hour b. What is the probability of three 911 calls in five minutes (to 4 decimals)? c. What is the probability of no 911 calls in a five-minute period (to 4 decimals)?
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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Transcribed Image Text:Emergency 911 calls to a small municipality in Idaho come in at the rate of one every 2 minutes.
a. What is the expected number of 911 calls in one hour?
per hour
b. What is the probability of three 911 calls in five minutes (to 4 decimals)?
c. What is the probability of no 911 calls in a five-minute period (to 4 decimals)?
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