On average, an electronic device lasts seven years The length of the time that this device lasts is exponentially distributed a What is the variance of the time that tihs device lasts Calculate the variance using the pdf b What is the probability that this device will last less than 9 years c What...

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: On average, an electronic device lasts seven years. The length of the time that this device

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: On average, an electronic device lasts seven years. The length of the time that this device

lasts is exponentially distributed.

.

What is the variance of the time that tihs device lasts? Calculate the variance using the pdf

.

.

What is the probability that this device will last less than

9

years?

.

What is the probability that this device will last more than

7

years?

.

Given that this device lasts more than

7

years, what is the probability that it will last less than

9

years?

.

Eighty percent of these devices last at most how long?

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Operations Management

ISBN: 978-0078024108

12th edition

Authors: William J Stevenson

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Posted Date: Mar 02, 2024 09:51 PM

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