a. In Exercise 72, what is the median lifetime of such tubes? [Hint: Use Expression (4.12).] b.

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a. In Exercise 72, what is the median lifetime of such tubes? [Hint: Use Expression (4.12).]

b. In Exercise 74, what is the median return time?

c. If X has a Weibull distribution with the cdf from Expression (4.12), obtain a general expression for the (100p)th percentile of the distribution.

d. In Exercise 74, the company wants to refuse to accept returns after 1 weeks. For what value of I will only 10% of all returns be refused?

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Probability And Statistics For Engineering And The Sciences

ISBN: 9781133169345

8th Edition

Authors: Jay L Devore, Roger Ellsbury

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Question Posted: Sep 16, 2024 02:00 PM

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a. In Exercise 72, what is the median lifetime of such tubes? [Hint: Use Expression (4.12).] b.

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Probability And Statistics For Engineering And The Sciences

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