The probability distribution of random variable X is as follows: . Find expectation of X.

The probability distribution of random variable X is as follows: Find value of k.

The probability distribution of a random variable X is given as follows: Find the value of k.

The probability distribution of a discrete random varible X is as follows: Find the expectation and S.D. of .X.

Find k, if the probability distribution of a random variable X is as follows:

The probability distribution of a random variable is as follows: The variance of x is

A probability distribution of random variable X is as follows. b= ….., E(X) =…..

The probability distribution of a random variable X is given below. Find the value of k, mean, also find variance of X.

The probability distribution of a random variable X is given below: find the value of k.