Politics. If 10,200 people voted for a politician in his first election, 12,987 voted for him in his second election, and 6,673 voted for him in the first and second elections, how many people voted for this politician in the first or second election? (...)

Politics. If 10,200 people voted for a politician in his first election, 12,987 voted for him in his second election, and 6,673 voted for him in the first and second elections, how many people voted for this politician in the first or second election? (...)

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

Politics. If 10,200 people voted for a politician in his first election, 12,987 voted for him in his second election, and 6,673 voted for him in the first and second elections, how many people
voted for this politician in the first or second election?
C

Expert Solution

Step 1

event :

A:voted for politician in first election

B:voted for politician in second election

$n (A) = 10200 n (B) = 12987 n (A \cap B) = 6673 n (A \cup B) = ?$

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