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A and B are independent with P(A) = 0.5, P(B) = 0.4. Then P(A and B) is
A0.50
B0.90
C0.20
D0.10
Answer & Solution
Correct answer: C. 0.20
1. For independent events, P(A and B) = P(A) * P(B).
2. P(A) * P(B) = 0.5 * 0.4.
3. = 0.20.
4. So P(A and B) = 0.20.
_Source: ICAI BoS Foundation Paper 3, Ch 15 'Probability', p.10_
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