1.) In a sample of 250 students travelling to campus, 190 use taxis. Of the taxi commuters, 130 travel more than 15km. Of those who do not use taxis, 40 travel less than 15km. Compile a contingency table and answer the following question. What is the probability that a student from the sample travels more than 15km given that the student use taxis?

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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1.) In a sample of 250 students travelling to campus, 190 use taxis. Of the taxi commuters, 130 travel more than 15km. Of those who do not use taxis, 40 travel less than 15km. Compile a contingency table and answer the following question.

What is the probability that a student from the sample travels more than 15km given that the student use taxis?

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