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Home  >>  JEEMAIN and AIPMT  >>  Mathematics  >>  Class12  >>  Probability
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In a probability distribution of a random variable X, the sum of probability is always

$\begin {array} {1 1} (A)\;0 & \quad (B)\;1 \\ (C)\;2 & \quad (D)\;any\: non\: negative\: integer \end {array}$


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By definition the value is equal to 1
Ans (B)
answered Jan 15, 2014 by thanvigandhi_1

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