Calculate the mean of x, A random variable X has the

Calculate the mean of x

Assignment Help Basic Statistics

Reference no: EM131416179

A random variable X has the following probability distribution:

X	-1	0	1
Probability	.25	.50	.25

a. Calculate the mean of X.

b. Calculate the variance of X.

c. Calculate the standard deviation of X.

Reference no: EM131416179

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