Let X be normally distributed with mean 95 and variance 74. Find the variance of -3.2...

Question

Question

Let X be normally distributed with mean 95 and variance 74. Find the variance of -3.2 + 0.7X.

a. none of the answers provided here

b. 51.8

c. 36.3

d. 2.8

e. 33.1

Answer 1

Answer #1

So, option C) 36.3 is the answer for this.

Formulas to be used:

Please comment if any doubt. thank you.

Answer 2

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