Find the mean and variance for the following probability distribution: `|{:(x_(i),1,2,3,4),(p_(i),0.4,0.3,0.2,0.1):}|`

Find the mean and standard deviation of the following probability distribution: x_i :2\ \ 3\ \ 4 p_i : 0.2\ \ 0. 5\ 0. 3

A random varibale X has the following probability distribution. {:(X:,1,2,3,4,5),(P(X):,0,0.1,0.2,0.3,0.4):} Find the mean.

Find the mean and standard deviation of each of the following probability distribution: x_i :1\ \ 3\ 4\ 5 p_i : 0.4\ 0. 1\ 0. 2\ \ 0. 3

Find the mean mu and variance sigma^2 for the following probability distribution : X: 0 1 2 3 P(X): 1/(64) (18)/(64) (18)/(64) (27)/(64)

Find the mean and standard deviation of the following probability distribution: x_i :\ \ 1\ \ 2 \ \ 3\ \ 4 p_i :\ \ 0. 4\ \ 0. 3\ \ 0. 2\ \ 0. 1

Find the mean and standard deviation of the following probability distribution: x_i :\ -1\ \ 0\ \ 1\ 2\ \ 3 p_i :\ \ 0. 3\ 0. 1\ 0. 1\ \ 0. 3\ 0. 2

Find the mean and standard deviation of the following probability distribution: x_i :-3\ \ -1\ 0\ \ 1\ \ 3 p_i :\ \ 0. 05\ \ 0. 45\ \ 0. 20\ \ 0. 25\ 0. 05

Find the mean and standard deviation of the following probability distribution: x_i :0 \ \ 1 \ \ 2 \ \ 3 \ \ 4 \ \ 5 p_i :1/6 \ \ 5/(18) \ \ 2/9 \ \ 1/6 \ \ 1/9 \ \ 1/(18)

Find the mean and standard deviation of the following probability distribution: x_i :-5\ -4\ \ 1\ \ 2 p_i :1/4\ \ 1/8\ \ 1/2\ 1/8

Find the mean and standard deviation of the following probability distribution: x_i : \ -2 \ \ -1\ \ 0\ \ 1\ \ 2 p_i :\ \ 0. 1\ \ 0. 2 \ \ 0. 4\ \ 0. 2 \ \ 0. 1