What is the mean time between phone calls

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Reference no: EM13144944

The time (in minutes) between telephone calls at an insurance claims office has the exponential probability distribution f(x) = 0.50 e-0.50x for x ≥ 0.

what is the mean time between phone calls
what is probability of 30 seconds or less between phone calls
what is probability of 1 minute or less between phone calls
what is probability of 5 or more minutes without a phone call.

Reference no: EM13144944

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What is the mean time between phone calls : The time (in minutes) between telephone calls at an insurance claims office has the exponential probability distribution f(x) = 0.50 e-0.50x for x ≥ 0. What is the mean time between phone calls.

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