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Let X = the number of jazz CDs. 4 CDs are selected at random from a collection of 5 jazz CDs, 2 classical CDs, and

Let X = the number of jazz CDs. 4 CDs are selected at random from a collection of 5 jazz CDs, 2 classical CDs, and 3 rock CDs.

Find the pmf of X.

Determine the cdf of X.

How many jazz CDs should we expect to have when randomly making a collection of 4CDs?

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