Greg Mat+ Community Forum
A or B occuring for Mutually exclusive evenets
GRE Quant Problem Solving
user1754
September 9, 2024, 7:35pm
1
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In this example, it is mentioned that Probability for A or B occuring is mentioned as 0.9 but shouldn’t it follow the formula: A+B-2AB?
Leaderboard
September 10, 2024, 5:34am
2
Yes, and it’s actually doing that with AB = 0.
