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  3. 1 a a class has 113 students of which 55...

Question: 1 a a class has 113 students of which 55...

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1)

A) A class has 113 students of which 55 are juniors, 48 are male, and 24 are both, that is, junior and male. You randomly select a student. Denote the event that the student is a junior by J and the event that the student is male by M. Find P(J).

Round your answer to the nearest 0.01.

B) A class has 106 students of which 43 are juniors, 38 are male, and 19 are both, that is, junior and male. You randomly select a student. Denote the event that the student is a junior by J and the event that the student is male by M. Find P(J ∪︀ M).

Round your answer to the nearest 0.01.

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