Customers arrive in a certain shop has the mean rate of 13 per hour. a) what is the probability that the shopkeeper will have to wait more than 5 minutes for the arrival of the first customer? b) if the shop is open at 9am, what is the probability that by 9.30am there are exactly 5 customers have arrived?
Customers arrive in a certain shop has the mean rate of 13 per hour. a) what is the probability that the shopkeeper will have to wait more than 5 minutes for the arrival of the first customer? b) if the shop is open at 9am, what is the probability that by 9.30am there are exactly 5 customers have arrived?
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:2) Customers arrive in a certain shop has the mean rate of 13 per hour.
a) what is the probability that the shopkeeper will have to wait more than 5 minutes for
the arrival of the first customer?
b) if the shop is open at 9am, what is the probability that by 9.30am there are exactly 5
customers have arrived?
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