involving sets A and B. Suppose for this problem that Pr[A|B]=1/1, Pr[A]=9/20 and Pr[B′]=19/20 (1) What is Pr[B|A]Pr[B|A]?  2) What is Pr[B|A′]Pr[B|A′]?

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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Rework problem 5 from section 3.2 of your text, involving sets A and B. Suppose for this problem that Pr[A|B]=1/1, Pr[A]=9/20 and Pr[B′]=19/20

(1) What is Pr[B|A]Pr[B|A]? 

2) What is Pr[B|A′]Pr[B|A′]?

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