There are three sets B1, B2 and B3. B1 contains 3 men and 1 women; B2 contains 2 men and 2 women, B3 contains 1 men and 3 women. A set is selected and a person is chosen. If the chosen person is women. What is the probability that she has come from the set B1.

Musa Masood

May 16, 2019, 4:25 a.m.

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