Find the mean and standard deviation of ...

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`

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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

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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 :-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 :0 \ \ 1 \ \ 2 \ \ 3 \ \ 4 \ \ 5 p_i :1/6 \ \ 5/(18) \ \ 2/9 \ \ 1/6 \ \ 1/9 \ \ 1/(18)

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 of the following probability distribution: X=x_i :\ \ 1 \ \ 2 \ \ 3 \ P(X=x_i):1/4 \ \ 1/8 \ \ 5/8 \ \ .

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):}|

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