P(A u B) = 0.4 and P(A n B) = 0.2. Find P(A) + P(B).

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...
Question
Use the given information to find the indicated probability.
P(A u B) = 0.4 and P(A n B) = 0.2. Find P(A) + P(B).
P(A) + P(B) =
Transcribed Image Text:Use the given information to find the indicated probability. P(A u B) = 0.4 and P(A n B) = 0.2. Find P(A) + P(B). P(A) + P(B) =
Expert Solution
Step 1

Given Data:

The probability of the union of set A and B is: PAB=0.4

The probability of the intersection of set A and B is: PAB=0.2

The probability of the union of set A and B is,

PAB=PA+PB-PAB

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