Software to detect fraud in consumer phone cards tracks the number of metropolitan areas where calls originate each day.
Posted: Sun Sep 05, 2021 5:19 pm
Software to detect fraud in consumer phone cards tracks the
number of metropolitan areas where calls originate each day. It is
found that 4% 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 0.0132%. 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).
number of metropolitan areas where calls originate each day. It is
found that 4% 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 0.0132%. 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).