Find the value of k for probability distribution of a random variable X is give by:

If the probability distribution of a random variable X is given by X=x_i :\ 1 \ \ 2 \ \ 3 \ \ 4 P(X=x_i):\ \ 2k \ \ 4k \ \ 3k \ \ k Write the value of k .

If the probability distribution of a random variable X is as given below: X=x_i :\ 1 \ \ 2 \ \ 3 \ \ 4 P(X=x_i):\ c \ \ 2c \ \ 3c \ \ 4c Write the value of P(X lt=2) .

is the probability distribution of a random variable X. Find the variance of X.

is the probability distribution of a random variable X. Find the variance of X.

Consider the probability distribution of a random variable X. Variance of X

Consider the probability distribution of a random variable X. V ((X)/(2))

The probability distribution of a discrete random variable X is given below: X :\ 2 \ \ 3 \ \ 4 \ \ 5 P(X):5/k \ \ 7/k \ \ 9/k \ \ 11/k The value of E(X) is

The probability distribution of a random variable X is given below: X :\ \ 0\ \ 1\ 2\ 3 P(X): k\ \ k/2\ \ k/4\ \ k/8 (i) Determine the value of k (ii) Determine P(X lt=2)a n d\ P(X >2) (iii) Find P(X 2)

Determine which of the following can be probability distributions of a random variable X : X :\ 0\ 1\ 2\ 3\ \ 4 P(X):\ 0. 1\ \ 0. 5\ 0. 2\ \ -0. 1\ \ 0. 3

Determine which of the following can be probability distributions of a random variable X -> X :\ 0\ 1\ 2 P(X):\ 0. 4\ \ 0. 4\ 0. 2