Giving a test to a group of students, the grades and gender are summarized below A...

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Giving a test to a group of students, the grades and gender are summarized below A...

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) =

math Statistics-And-Probability

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Answer 1

Answer #1

Solution:

We can not calculate the probability of A or B,

The probability is 0

P(A or B) = 0

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Answer 2

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