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  • An urn contain 5 red and 2 black balls two balls are randomly drawn

Toentracnce.png What are the probablities of random variable X 2. An urn contains 5 red and 2 black balls. Two balls are randomly drawn. Let X represent the number of black balls. What are the possible values of X? Is X a random variable ?

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@Osama

Let X represent the number of black balls. Possible values of X are: X (RR) = 0, X (RB) = 1, X(BR = 1) and X (BB) = 2.

Therefore the possible values of X are 0, 1 and 2.

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himanshu.meshram

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