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Problem 2

Suppose X and Y are independent random variables. The variance of X is equal to 16; and the variance of Y is equal to 9. Let Z = X – Y.

What is the standard deviation of Z?

(A) 2.65

(B) 5.00

(C) 7.00

(D) 25.0

(E) It is not possible to answer this question, based on the information given.

The post problem 2 suppose x and y are independent random variables the variance of x is equal to 16 and the variance of y is equal to 9 let z x y what is the standard deviation of z a 2 65 b 5 00 c 7 00 d 25 0 e it is not possible to answer t appeared first on BlueOrigin EssayWriters.