A manufacturer of electrical components has determined that the length of time t (in hundreds of hours)
Question:
A manufacturer of electrical components has determined that the length of time t (in hundreds of hours) before a certain one of its components fails has probability density function
f(t) = 2t e-t2
Find the probability that a randomly selected one of these components lasts
(a) More than 150 hours.
(b) More than 150 hours given that it lasts more than 100 hours.
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Related Book For 
Mathematical Applications For The Management, Life And Social Sciences
ISBN: 9781337625340
12th Edition
Authors: Ronald J. Harshbarger, James J. Reynolds
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