Calls to the help line of a large computer distributor follow a Possion distribution with a mean

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Calls to the help line of a large computer distributor follow a Possion distribution with a mean of 20 calls per minute.

(a) What is the mean time until the one-hundredth call?

(b) What is the mean time between call numbers 50 and 80?

(c) What is the probability that three or more calls occur within 15 seconds?

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Applied Statistics And Probability For Engineers

ISBN: 9780471204541

3rd Edition

Authors: Douglas C. Montgomery, George C. Runger

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Question Posted: Nov 07, 2024 07:01 AM

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Calls to the help line of a large computer distributor follow a Possion distribution with a mean

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Applied Statistics And Probability For Engineers

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