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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 GIVEN they got a 'C'.
| A | B | C | Total | |
| Male | 18 | 16 | 9 | 43 |
| Female | 14 | 4 | 20 | 38 |
| Total | 32 | 20 | 29 | 81 |
If one student is chosen at random,
Find the probability that the student was male GIVEN they got a 'C'.
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