hard · GMAT Quant
A content moderation system routes 25% of flagged posts to Human Moderator L and 75% to Human Moderator M. Moderator L correctly identifies a policy violation 90% of the time, while Moderator M identifies it 70% of the time.
If a specific moderator is assigned to review two independent posts that both contain violations, and the moderator misses the violation on the first post but identifies it on the second, what is the probability that the moderator was L?
- dfrac319
- dfrac14
- dfrac916
- dfrac1619
- dfrac110
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