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UPSC Indian Statistical Service ISS
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If P(A) = 0.3 and P(B) = 0.4, and events A and B are mutu...
If P(A) = 0.3 and P(B) = 0.4, and events A and B are mutually exclusive, what is P(A or B)?
A. 0.12
B. 0.7
C. 0.1
D. 0.3
Explanation:
For mutually exclusive events, P(A or B) = P(A) + P(B) = 0.7.
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