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 :\ \ 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 \ \ -1\ \ 0\ \ 1\ \ 2 p_i :\ \ 0. 1\ \ 0. 2 \ \ 0. 4\ \ 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 :2\ \ 3\ \ 4 p_i : 0.2\ \ 0. 5\ 0. 3

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 variance and standard deviation of the following probability distribution x_i : a\ \ b p_i : p\ q Where p+q=1.

Find the mean and standard deviation of each of the following probability distribution: x_(i):-10123p_(i):0.30.10.10.30.2

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 each of the following probability distribution: x_(i):1234p_(i):0.4 0.30.20.1

Find the mean and standard deviation of each of the following probability distribution: x_(i):-2-1012p_(i):0.10.20.40.20.1