For a random variable X, suppose that E[X] = 4 and Var(X) = 9. Then %3D (a) E[(4 + X)²] = (b) Var(5 + 5X) =
For a random variable X, suppose that E[X] = 4 and Var(X) = 9. Then %3D (a) E[(4 + X)²] = (b) Var(5 + 5X) =
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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![For a random variable X, suppose that E[X] = 4 and Var(X) = 9. Then
(a) E[(4 + X)²] =
%3D
(b) Var(5 + 5X) =](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe28104ce-de99-450a-a1b7-64972e30f7c2%2F9c843fa1-fafb-4ec5-b0cf-d72e3b3cc319%2Fi5lw76f_processed.jpeg&w=3840&q=75)
Transcribed Image Text:For a random variable X, suppose that E[X] = 4 and Var(X) = 9. Then
(a) E[(4 + X)²] =
%3D
(b) Var(5 + 5X) =
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