A poll was taken of 100 students at a commuter campus to find out how they got to campus. The results were as follows: 32 said they drove alone. 33 rode in a carpool. 38 rode public transportation. 9 used both carpools and public transportation. 9 used both a carpool and sometimes their own cars. 10 used buses as well as their own cars. 5 used all three methods. How many used none of the above-mentioned means of transportation? students

A poll was taken of 100 students at a commuter campus to find out how they got to campus. The results were as follows: 32 said they drove alone. 33 rode in a carpool. 38 rode public transportation. 9 used both carpools and public transportation. 9 used both a carpool and sometimes their own cars. 10 used buses as well as their own cars. 5 used all three methods. How many used none of the above-mentioned means of transportation? students

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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Concept explainers

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

Question

A poll was taken of 100 students at a commuter campus to find out how they got to campus. The results were as follows:

32		said they drove alone.
33		rode in a carpool.
38		rode public transportation.
9		used both carpools and public transportation.
9		used both a carpool and sometimes their own cars.
10		used buses as well as their own cars.
5		used all three methods.

How many used none of the above-mentioned means of transportation?
students

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