Suppose that X follows a discrete random variable with the following pmf table. x 3 4...

Question

Question

Suppose that X follows a discrete random variable with the following pmf table.

x	3	4	5
p(x)	0.3	0.4	0.3

Find the standard deviation of X. Use two decimal points.

Answer 1

Answer #1

Suppose x is discrete random Valstable with pmf table PCX-X) 0.3 0.4 0.3 . Step 1 :- To find E(X) .: E(X)= = ip(xru) ... form

Answer 2

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