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An urn contains 5 red balls …

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An urn contains 5 red balls and 2 black balls.Two balls are randomly drawn without replacment.Let X represents the number of black balls drawn.What are the possible values of X? Is X a random variable? if yes find mean and variance of X. solution

    • Posted by Mehak Kushwaha 7 years, 8 months ago

    CBSE > Class 12 > Mathematics
    • 0 answers
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