Navy Academic Proficiency Test (NAPT) Practice Exam

If events A and B are independent with P(A)=0.5 and P(B)=0.4, what is P(A and B)?

0.10 0.25 0.20 0.32

Correct Answer:

0.20

Explanation:

When two events are independent, the probability of both happening is the product of their individual probabilities. So P(A and B) = P(A) × P(B) = 0.5 × 0.4 = 0.20. The probability of both events occurring is 0.20.

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