Statisticsmedium · Past Paper
A and B are independent events. If P(A) = 1/2 and P(B) = 1/2, what is P(A or B)?
A1
B1/2
C3/4
D1/4
✓ Correct Answer: C — 3/4
P(A or B) = 1/2 + 1/2 - (1/2 * 1/2) = 1 - 1/4 = 3/4.
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