Thirty-eight cities were researched to determine whether they had a professional sports team, a symphony, or a children's museum. Of these cities, 19 had a professional sports team, 18 had a symphony, 20 had a children's museum, 13 had a professional sports team and a symphony, 11 had a professional sports team and a children's museum, 11 had a symphony and a children's museum, and 7 had all three activities. How many cities have a pro sports team or a symphony but not a childrens museum?

Thirty-eight cities were researched to determine whether they had a professional sports team, a symphony, or a children's museum. Of these cities, 19 had a professional sports team, 18 had a symphony, 20 had a children's museum, 13 had a professional sports team and a symphony, 11 had a professional sports team and a children's museum, 11 had a symphony and a children's museum, and 7 had all three activities. How many cities have a pro sports team or a symphony but not a childrens museum?

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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