%3D Let X and Y be independent random variables with E[X] = 4, Var[X] = 84, E[Y] = 6, and Var[Y] = 54. -a. Find E[5X+ 2Y - 18] - b. Find E[-3Y+X+3] Find E[X2] c.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter4: Polynomial And Rational Functions
Section4.6: Variation
Problem 2E
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2. Let X and Y be independent random variables with E[X] = 4, Var[X] = 84, E[Y] = 6, and Var[Y] = 54.
Find E[5X + 2Y - 18]
- b. Find E[-3Y+X+3]
-a.
-с.
Find E[X2]
d. Find ox
e. Find E[Y2]
f. Find Oy
g. Find Var[X+3Y - 6]
h. Find Var[3X - 2Y + 35]
Find E[(2X - 8)/5]
j. Find Var[(2X - 8)/5]
i.
Transcribed Image Text:2. Let X and Y be independent random variables with E[X] = 4, Var[X] = 84, E[Y] = 6, and Var[Y] = 54. Find E[5X + 2Y - 18] - b. Find E[-3Y+X+3] -a. -с. Find E[X2] d. Find ox e. Find E[Y2] f. Find Oy g. Find Var[X+3Y - 6] h. Find Var[3X - 2Y + 35] Find E[(2X - 8)/5] j. Find Var[(2X - 8)/5] i.
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