Since it is known that E[X] = 1 , Var[X] = 5, calculate the result of the following operations. a) E[(2+X)^2]=? b) Var[(4+3X)]=?
Since it is known that E[X] = 1 , Var[X] = 5, calculate the result of the following operations. a) E[(2+X)^2]=? b) Var[(4+3X)]=?
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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Since it is known that E[X] = 1 , Var[X] = 5, calculate the result of the following operations.
a) E[(2+X)^2]=?
b) Var[(4+3X)]=?
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