# A group of 20 people consistin

Sigchi4life
Category:
Statistics
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Question description

A group of 20 people consisting of 10 men and 10 women is randomly arranged into pairs of 2 each. Compute the expectation and variance of the number of pairs that consist of a man and woman. Now suppose the 20 people consist if 10 married couples. Compute the mean and variance of the number if married couples that are paired together

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