Giving a test to a group of students, the grades and gender are
summarized below
A | B | C | Total | |
Male | 4 | 12 | 19 | 35 |
Female | 11 | 10 | 17 | 38 |
Total | 15 | 22 | 36 | 73 |
If one student was chosen at random, find the probability that the
student got an A or a B on the test. Write your answer as a reduced
fraction or whole number.
P(A or B) =
Solution:
We can not calculate the probability of A or B,
The probability is 0
P(A or B) = 0
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