
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 | 10 | 19 | 8 | 37 |
Female | 2 | 7 | 11 | 20 |
Total | 12 | 26 | 19 | 57 |
If one student is chosen at random,
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