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Module 1: Hypergeometric distribution

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The mean and variance of a hypergeometric random variable example 2

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Intermediate Mathematics - The mean and variance of a hypergeometric
random variable example

The mean and variance of a hypergeometric random variable example

EXAMPLE 5

A sports storage bag contains nine balls, including six footballs and
three netballs.

(a) In any sample of three balls chosen from the total collection, what is
the mean number of footballs?

(b) For any sample of four balls what is the mean number of footballs?

SOLUTION 5A

SOLUTION 5B

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