A First Course in Probability (10th Edition)
10th Edition
ISBN: 9780134753119
Author: Sheldon Ross
Publisher: PEARSON
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Giving a test to a group of students, the grades and gender are summarized below
A | B | C | Total | |
Male | 16 | 15 | 3 | 34 |
Female | 10 | 18 | 8 | 36 |
Total | 26 | 33 | 11 | 70 |
If one student is chosen at random,
Find the probability that the student was male AND got a "B".
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