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The time in minutes between telephone calls at an

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Reference no: EM13627206

The time (in minutes) between telephone calls at an insurance claims office has the expo- nential probability distribution: f(x) = 0.50e ( to the -0.50x power) for x (>or equal to) 0

a. What is the mean time between telephone calls?

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

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

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

Reference no: EM13627206

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