22. A test was given to a group of students. The grades and gender are summarized below
Male
Female
Total
A
12
9
21
B
6
16
22
C
19
5
24
Total
37
30
67
If one student is chosen at random from those who took the test,
Find the probability that the student was male GIVEN they got an 'A'.
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Number of male students who got 'A' in the test is 12
Number of total male students in the test is 37
Probability that the male student got an 'A' is = (Number of male students who got 'A' in the test)/(Number of total male students in the test) = 12/37
