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Giving a test to a group of students, the grades and gender are summarized below
If one student is chosen at random,
Find the probability that the student was male OR got an "B".
| A | B | C | Total | |
| Male | 15 | 9 | 6 | 30 |
| Female | 13 | 18 | 10 | 41 |
| Total | 28 | 27 | 16 | 71 |
If one student is chosen at random,
Find the probability that the student was male OR got an "B".
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Box 1: Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)
Enter DNE for Does Not Exist, oo for Infinity
0.67605633802817