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Question : 1) A random variable X dened as the dierence between : 2804

1) A random variable X is dened as the dierence between the higher value and the lowervalue when two dice are thrown. If they have the same value, X is zero.a.) Find the probability distribution for X.

b.) Calculate the expected value of X

.c.) Calculate E(X^2)

.d.) Calculate the population variance and the standard deviation of X.

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Solution
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