The time (in minutes) between telephone calls at an insurance claims office has the following exponential probability distribution (x) 50e 50xfor x 0 a What is the mean time between telephone calls b What is the probability of having 30 seconds or less between telephone calls c What is the probabil...

a 1 50 therefore 2 minutes is the mean time ...

The time (in minutes) between telephone calls at an insurance claims office has the following exponential probability

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The time (in minutes) between telephone calls at an insurance claims office has the following exponential probability distribution.

ƒ(x) = .50e –.50xfor x ≥ 0

a. What is the mean time between telephone calls?

b. What is the probability of having 30 seconds or less between telephone calls?

c. What is the probability of having 1 minute or less between telephone calls?

d. What is the probability of having 5 or more minutes without a telephone call?

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Essentials Of Statistics For Business And Economics

ISBN: 9781305081598

7th Edition

Authors: David Anderson, Thomas Williams, Dennis Sweeney, Jeffrey Cam

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Question Posted: Feb 16, 2015 01:50 AM

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The time (in minutes) between telephone calls at an insurance claims office has the following exponential probability

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