Let X, X,...X, be 'n' random variable which are identically distributed such that Xg= 1 with a prob. of 1/2 = 2 with a prob. of 1/3 =-1 with a prob. of 1/6. Find (a) E [X, + X2 +... .. X,1 (b) E [X} + X3 +...X
Let X, X,...X, be 'n' random variable which are identically distributed such that Xg= 1 with a prob. of 1/2 = 2 with a prob. of 1/3 =-1 with a prob. of 1/6. Find (a) E [X, + X2 +... .. X,1 (b) E [X} + X3 +...X
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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Transcribed Image Text:Let X, X,. . . X, be 'n' random variable which are identically distributed such
that
Xg= 1 with a prob. of 1/2
= 2 with a prob. of 1/3
=-1 with a prob. of 1/6.
Find (a) E [X,+X2+
=D2
.. .. X,l
(b) E [X + X3+. ..X21
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