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If X is a random variable with probabili...

If `X` is a random variable with probability distribution as given below: `X=x_i :\ 0 \ \ 1 \ \ 2 \ \ 3` `P(X=x_i): k \ \ 3k \ \ 3k \ \ k` The value of `k` and its variance are (A) `1/8, 22/27` (B) `1/8, 23/27` (C) `1/8, 24/27` (D) `1/8,3/4`

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