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Solution - Mean of a Random Variable

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Question

An urn contains 3 white and 6 red balls. Four balls are drawn one by one with replacement from the urn. Find the probability distribution of the number of red balls drawn. Also find mean and variance of the distribution.

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Reference Material

Solution for concept: Mean of a Random Variable. For the courses CBSE (Arts), CBSE (Commerce), CBSE (Science)
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