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Xis a random variable having a probability

by | Nov 29, 2023 | Posted Questions

Xis a random variable having a probability distribution with a mean/expected value of E(X)=29.7 and a variance of Var(X)=26

.

Consider the following random variables.

A=3X

B=3X?4

C=?4X+8

Answer parts (a) through (c).

Part (a)Find the expected value and variance of A

.

E(A)=

Var(A)=

Part (b)Find the expected value and variance of B

.

E(B)=

Var(B)=

Part (c)Find the expected value and standard deviation of C

.

E(C)=

SD(C)=

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