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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 female GIVEN they got a 'A'.
| A | B | C | Total | |
| Male | 15 | 19 | 17 | 51 |
| Female | 16 | 10 | 5 | 31 |
| Total | 31 | 29 | 22 | 82 |
If one student is chosen at random,
Find the probability that the student was female GIVEN they got a 'A'.
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