6.49 Suppose two houses are to be built and each will involve the completion of a certain...

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6.49 Suppose two houses are to be built and each will involve the completion of a certain key task.

The task has an exponentially distributed time to completion with a mean of 10 hours.

Assuming the completion times are independent for the two houses, find the expected value and variance of L = 30Y + 2Y2 a = 3 b = 2 a = 600 b = 50 b = 2.0.

a = 1.6 a The total time to complete both tasks b The average time to complete the two tasks

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Probability And Statistics For Engineers

ISBN: 9781133006909

5th Edition

Authors: Richard L Scheaffer, Madhuri Mulekar, James T McClave, Cecie Starr

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