It is commonly said that those who are good in Mathematics are not good in English. A teacher tried to observe 4 sections of grade 10 students. She recorded that 40% of the surveyed students were good in Mathematics, 65% were not good in English, and 15% were good in Mathematics but not in English. What is the probability that a student chosen at random from the respondents was not good in English, given that he/she was good in Mathematics?

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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It is commonly said that those who are good in Mathematics are not good in English. A teacher tried to observe 4 sections of grade 10 students. She recorded that 40% of the surveyed students were good in Mathematics, 65% were not good in English, and 15% were good in Mathematics but not in English. What is the probability that a student chosen at random from the respondents was not good in English, given that he/she was good in Mathematics?

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