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# Chapter 18 Homework 1 of 1

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Author: Dannie Young
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Chapter 18 Homework 1 of 1 http://ezto.mheducation.com/hm.tpx During the morning hours at a catalog sales department, telephone calls come in at the rate (Poisson) of 39per hour. Calls that cannot be answered immediately are put on hold. The system can handle 8 callers onhold. If additional calls come in, they receive a busy signal. The 3 customer service representatives whoanswer the calls spend an average of 3 minutes with a customer. Use Table 1 and Table 2.a. What is the probability that a caller will get a busy signal? (Hint: Solve for log K or ln K using trial anderror.) (Do not round intermediate calculations. Round your answer to 5 decimal places.)Probabilityb. What is the probability that a customer will be put on hold? (Do not round intermediate calculations.

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