The duration t (in minutes) of customer service calls received by a certain company is given by
Question:
is given by the probability density function f (t) = 0.4e -0.4t t ≥ 0 Find the probability that a call selected at random lasts
(a) 4 minutes or more
(b) 10 minutes or more
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Related Book For
Mathematical Applications for the Management Life and Social Sciences
ISBN: 978-1305108042
11th edition
Authors: Ronald J. Harshbarger, James J. Reynolds
Question Posted:
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