Probability Question

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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Step 1

Given:

P (A) = 0.71

P (B) = 0.66

P (B U A) = 0.87

The required probability P (A Ո B) can be obtained as:

Probability homework question answer, step 1, image 1

Step 2

The required probability P (B|A) can be obtained as:

Probability homework question answer, step 2, image 1

 

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