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Questions  >>  CBSE XII  >>  Math  >>  Probability
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State which of the following is a probability distributions of a random variable. Give reasons for your answer.

(i)X012P(X)0.40.40.2(ii)X01234P(X)0.10.50.20.10.3 (iii)Y101P(Y)0.60.10.2(iv)Z32101P(Z)0.30.20.40.10.05

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