Giving a test to a group of students, the grades and gender are summarized below
Write all solutions as a decimals to the fourth. If one student is chosen at random,
Find the probability that the student was male:
Find the probability that the student was male AND got a "A":
Find the probability that the student was male OR got an "B":
If one student is chosen at random, find the probability that the student got a 'B' GIVEN they are female:
| A | B | C | Total | |
| Male | 3 | 6 | 12 | 21 |
| Female | 10 | 16 | 5 | 31 |
| Total | 13 | 22 | 17 | 52 |
Write all solutions as a decimals to the fourth. If one student is chosen at random,
Find the probability that the student was male:
Find the probability that the student was male AND got a "A":
Find the probability that the student was male OR got an "B":
If one student is chosen at random, find the probability that the student got a 'B' GIVEN they are female: