Phone calls arrive at the rate of 48 per hour at the reservation desk for Regional Airways.a. Compute the probability of receiving three calls in a 5-minute interval of time.b. Compute the probability of receiving exactly 10 calls in 15 minutes.c. Suppose no calls are currently on hold. If the agent takes 5 minutes to complete thecurrent call, how many callers do you expect to be waiting by that time? what is theprobability that none will be waiting?d. If no calls are currently being processed, what is the probability that the agent can take3 minutes for personal time without being interrupted by a call?

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 4ECP: Show that the probability of drawing a club at random from a standard deck of 52 playing cards is...
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Phone calls arrive at the rate of 48 per hour at the reservation desk for Regional Airways.
a. Compute the probability of receiving three calls in a 5-minute interval of time.
b. Compute the probability of receiving exactly 10 calls in 15 minutes.
c. Suppose no calls are currently on hold. If the agent takes 5 minutes to complete the
current call, how many callers do you expect to be waiting by that time? what is the
probability that none will be waiting?
d. If no calls are currently being processed, what is the probability that the agent can take
3 minutes for personal time without being interrupted by a call?

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