The life (in years) of a certain machine is a random variable with probability density function defined

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The life (in years) of a certain machine is a random variable with probability density function defined by

(a) Find the mean life of this machine.
(b) Find the standard deviation of the distribution.
(c) Find the probability that a particular machine of this kind will last longer than the mean number of years.

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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 (in years) of a certain machine is a random variable with probability density function defined

Question:

3 f(t) - + (₁ + ²/1 ) = 1 11 for t in [4, 9].

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Calculus With Applications

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