If P(A)=0.7 and P(B|A)=0.4, then P(A∩B) equals:
If P(A)=0.7 and P(B|A)=0.4, then P(A∩B) equals:
- A. 0.28
- B. 0.11
- C. 0.4
- D. 0.7
Answer: A) 0.28
Explanation: P(A∩B)=P(B|A)×P(A)=0.4×0.7=0.28.
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