For two events, $A$ and $B , P ( A ) = .4 , P ( B ) = .7$, and $P ( A \cap B ) = .2$. Find $P ( A \mid B )$.
A) .14
B) $.08$
C) $.29$
D) $.5$

Name: For two events, $A$ and $B , P ( A ) = .4 , P ( B ) = .7$, and $P ( A \cap B ) = .2$. Find $P ( A \mid B )$. A) .14 B) $.08$ C) $.29$ D) $.5$
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Question

Quizplus · Accepted Answer

$P(A|B) = \frac{P(A \cap B)}{P(B)} = \frac{.2}{.7} = .29$. This is the probability of event A given that event B has occurred.

For Two Events AAA And B,P(A)=.4,P(B)=.7B , P ( A ) = .4 , P ( B ) = .7B,P(A)=.4,P(B)=.7

For Two Events $A$ And $B , P ( A ) = .4 , P ( B ) = .7$