The roll of a pair of dice has the following probability distribution, where the random variable x

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The roll of a pair of dice has the following probability distribution, where the random variable x is the sum of the values produced by each die:

x P(x) x P(x)
2 1/36 8 5/36 3 2/36 9 4/36 4 3/36 10 3/36 5 4/36 11 2/36 6 5/36 12 1/36 7 6/36

a. Calculate the expected value of x.

b. Calculate the variance of x.

c. Calculate the standard deviation of x.

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Business Statistics A Decision Making Approach

ISBN: 9780136121015

8th Edition

Authors: David F. Groebner, Patrick W. Shannon, Phillip C. Fry, Kent D. Smith

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Question Posted: Sep 19, 2024 09:02 AM

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The roll of a pair of dice has the following probability distribution, where the random variable x

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Business Statistics A Decision Making Approach

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