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An urncontains 5 red and 2 black balls. ...

An urncontains 5 red and 2 black balls. Two balls are randomly selected. Let x represent the number of black balls. What are the possible valuesof X ? Is X a random variable ?

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The correct Answer is:
Therefore, the psooble values of x are 0 , 1 and 2.
Thus , X is a random variable .
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