medium · GMAT Quant
A fraud detection system assigns an initial probability of 0.05 that a transaction is fraudulent. Two independent flags are triggered. Flag A occurs in 60% of fraudulent cases and 10% of legitimate cases. Flag B occurs in 50% of fraudulent cases and 20% of legitimate cases.
If both flags are triggered, what is the probability that the transaction is fraudulent?
- dfrac1534
- 0.25
- 0.15
- dfrac1250
- 0.30
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