Software to detect fraud in consumer phone cards tracks the number of metropolitan areas where calls originate each day.1% of legitimate users originate calls from 2+ metropolitan areas in a single day. 30% of fraudulent users originate calls from 2+ metropolitan areas in a single day. The proportion of fraudulent users is 0.01%. If the same user originates calls from 2+ metropolitan areas in a single day, what is the probability that the user is fraudulent?

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whpalmer4 · Answer

You've posted this question in the Probability section, and it has been answered there.  Why are you reposting it here?

anonymous · Answer

sorry , i missed up, anyway tnx  XO