Answered: Help please: Prove the law of total…

Help please: Prove the law of total expectation. That is, E[X] = SUMM(i) E[X|Ai]P(Ai) where Ai is a finite or countable partition.

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

Help please:

Prove the law of total expectation. That is, E[X] = SUMM(i) E[X|Ai]P(Ai) where Ai

is a finite or

countable partition.

Expert Solution

Step 1: Conditional expectation obtained.

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