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X_1, ..., X_n are i.i.d. Uniform(0,1). Find the covariance of their minimum and their maximum.

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X and Y are independent Uniform(0,1) random variables. Compute Cov(min(X,Y), max(X,Y)).Corr(X,Y) = 0.9 and Corr(Y,Z) = 0.8. What are the minimum and maximum possible values of Corr(X,Z)?Find the minimum and maximum elements in an array using minimum comparisons.

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