1.

The value of C for which \[P\,(X=k)=C{{k}^{2}}\]can serve as the probability function of a random variable X that takes 0, 1, 2, 3, 4 is    [EAMCET 1994]

A.      \[\frac{1}{30}\]    
B.      \[\frac{1}{10}\]
C.      \[\frac{1}{3}\]       
D.      \[\frac{1}{15}\]
Answer» B.      \[\frac{1}{10}\]


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