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Question: Sampling without replacement, Let X be the indicator of the event that a good element appears at place j in a random ordering of n elements consisting of g good elements and n -g bad ones.

a) Find a formula for P(x₁, . . x_n) = P(X₁ - x₁, . . X_n = x_n).

b) Are the random variables X₁, .. X_n independent? prove your answer.

c) Are they exchangeable? Prove your answer.

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M92639746

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