Repeat the calculations of Exercise 33. Rather than treat the random variables and as independent, assume that Cov = 12,500. Exercise 33 Independent random variables and have the means and...

Repeat the calculations of Exercise 33. Rather than treat the random variables

and

as independent, assume that Cov
= 12,500.

Exercise 33

Independent random variables

and

have the means and standard deviations as given in the following table. Use these parameters to find the expected value and SD of the following random variables that are derived from

and
:

(a)

(b)

(c)

(d)