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An urn contains 5 red and …

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An urn contains 5 red and 2 black balls.two balls are rendomly drawn without replacement .let x represent the number of black balls.what are the possible values of x.is x a rebdom variable .if yes find the means and veriance of x

    • Posted by Aryan Kumar 7 years, 8 months ago

    CBSE > Class 12 > Mathematics
    • 0 answers
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