Problem 18 of 7
Compute P(A or B) for mutually exclusive events from P(A)=2/5 and P(B)=1/10.
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recognize intersection is zero.
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For mutually exclusive events, P(A and B)=0.
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Solution
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1. State that mutually exclusive events have no overlap.
2. Use P(A or B)=P(A)+P(B).
3. Add and simplify.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Subtracting a nonzero overlap for mutually exclusive events.