Answer
0.65
Explanation:
apeeex
Answer:
Given
P(a) = 0.60
P(b) = 0.20
P(a and b) = 0.15
Required
Determine P(a or b)
In probability;
Substitute values for P(a and b), P(a) and P(b)
Collect Like Terms
Hence, option B answers the question
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