Question

P (A|B) = P (A ⋂ B) / P (B)

P (Boy | Senior) = ?/?

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Answer 1

2/7

Explanation:

P (A|B) = P (A ⋂ B) / P (B)

P (Boy | Senior) = P(Boy ⋂ Senior) / P (Senior) = (2/37) / (7/37) = 2/7