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Software to detect fraud in consumer phone cards tracks the number of metropolitan areas where calls originate each day.

Posted: Sun Sep 05, 2021 5:17 pm
by answerhappygod
Software To Detect Fraud In Consumer Phone Cards Tracks The Number Of Metropolitan Areas Where Calls Originate Each Day 1
Software To Detect Fraud In Consumer Phone Cards Tracks The Number Of Metropolitan Areas Where Calls Originate Each Day 1 (17.73 KiB) Viewed 386 times
Software to detect fraud in consumer phone cards tracks the number of metropolitan areas where calls originate each day. It is found that 3% of the legitimate users originate calls from two or more metropolitan areas in a single day. However, 30% of fraudulent users originate calls from two or more metropolitan areas in a single day. The proportion of fraudulent users is 0.0101%. If the same user originates calls from two or more metropolitan areas in a single day, what is the probability that the user is fraudulent? Round your answer to six decimal places (e.g. 98.765432).