The life span of a certain automobile part (in months) is a random variable with probability density

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The life span of a certain automobile part (in months) is a random variable with probability density function defined by

(a) Find the expected life of this part.
(b) Find the standard deviation of the distribution.
(c) Find the probability that one of these parts lasts less than the mean number of months.
(d) Find the median life of these parts.

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Calculus With Applications

ISBN: 9780135871348

12th Edition

Authors: Margaret L. Lial

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Question Posted: Jan 23, 2023 03:41 AM

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The life span of a certain automobile part (in months) is a random variable with probability density

Question:

f(t) 1) = = = √e-41²2 for tin [0, ∞).

Step by Step Answer:

a Use integration by parts b Use ...View the full answer

Calculus With Applications

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