Question
Use the information that, for events $\mathrm{A}$ and $\mathrm{B}$, we have $P(A)=0.8, P(B)=0.4$, and $P(A$ and $B)=0.25.$Find $P(A$ if $B)$.
Step 1
8, P(B)=0.4$, and $P(A \text{ and } B)=0.25$. Show more…
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Use the information that, for events $\mathrm{A}$ and $\mathrm{B}$, we have $P(A)=0.8, P(B)=0.4$, and $P(A$ and $B)=0.25.$ Find $P(A$ or $B)$.
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