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 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

Find the mean and standard deviation of each of the following probability distribution: x_(i):1345p_(i):0.40.10.20.3

Find the mean and standard deviation of each of the following probability distribution: x_(i):234p_(i):0.2quad 0.50.3

For the following probability distribution: X : -4 -3 -2 -1 0 P(X): 0. 1 0. 2 0. 3 0. 2 0. 2 The value of E(X) is 0 b. -1 c. -2 d. -1. 8

Which of the following distributions of probability of random variable X are the probability distributions? X : 0 1 2 3 4 P(X): 0.1 0. 5 0. 2 0. 1 0. 1

Find the variance and standard deviation of the random variable X whose probability distribution is given below : {:(x,0,1,2,3),(P(X=x),1/8,3/8,3/8,1/8):}

The mean and variance of the random variable X which follows the following distribution are respectively. X = x:- 1 2 3 4 p( X = x):- 0.1 0.2 0.3 0.4

A random variable X as the following probability distribution: x_i :-2-10123 p_i :0. 1k0. 22k0. 3k Find (i) Find the value of kdot (ii) Calculate the mean ofXdot Calculate the variance of Xdot