If PA) = 0.50, PB) = 0.40, then, and PA ∪ B) = 0.88, then PB | A) =
A) 0.02
B) 0.03
C) 0.04
D) 0.05

Name: If PA) = 0.50, PB) = 0.40, then, and PA ∪ B) = 0.88, then PB | A) = A) 0.02 B) 0.03 C) 0.04 D) 0.05
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Quizplus · Accepted Answer

To find P(B | A), we use the formula P(B | A) = P(A ∩ B) / P(A). We know P(A ∪ B) = P(A) + P(B) - P(A ∩ B). So, 0.88 = 0.50 + 0.40 - P(A ∩ B), which gives P(A ∩ B) = 0.02. Therefore, P(B | A) = 0.02 / 0.50 = 0.04.