A random variable X has the probability distribution given below
Its variance is

If X is a random variable with probability distribution as given below: Then, the variance of X is

A random variable X has the following probability distribution:

A discrete random variable X has the probability distribution as given below (i) Find the value of k. (ii) Determine the mean of the distribution.

A discrete random variable X has the probability distribution as given below (i) Find the value of k. (ii) Determine the mean of the distribution.

A discrete random variable X has the probability distribution given as below: (i) Find the value of k (ii) Determine the mean of the distribution.

A discrete random variable X has the probability distribution as given below (i) Find the value of k. (ii) Determine the mean of the distribution.

A random variable X has the following probability distribution Then the variance of this distribution is