elser (i) E[X] (ii) E [(X – 1)21 (iii) E [3X – 1]

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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Question
The density function of a random variable X is gx(x) =
[5e-5x
elsewhere
Find (i) E[X]
(ii) E [(X – 1)²1
(iii) E [3X – 1]
Transcribed Image Text:The density function of a random variable X is gx(x) = [5e-5x elsewhere Find (i) E[X] (ii) E [(X – 1)²1 (iii) E [3X – 1]
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