100 people went to the amusement park. 51 went on roller-coasters, 29 went to the haunted house and 11 went on water slides. 7 went on roller-coasters and to the water slides, 9 went on the roller-coasters and to the haunted house and 5 went to the haunted house and the water slides. 30 did not go to any. How many went on all three? 30 people did not go on any of the three.

100 people went to the amusement park. 51 went on roller-coasters, 29 went to the haunted house and 11 went on water slides. 7 went on roller-coasters and to the water slides, 9 went on the roller-coasters and to the haunted house and 5 went to the haunted house and the water slides. 30 did not go to any. How many went on all three? 30 people did not go on any of the three.

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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