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Answer the following: a. You are evaluating a credit card fraud detection system that has 98% accuracy. It is known that typically there are 10 fraudulent transa million. Assuming that the system has symmetric accuracy for both classes (Fraud, Genuine) of transactions, estimate false alarm rate.

Answer the following: a. You are evaluating a credit card fraud detection system that has 98% accuracy. It is known that typically there are 10 fraudulent transa million. Assuming that the system has symmetric accuracy for both classes (Fraud, Genuine) of transactions, estimate false alarm rate.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Answer the following: a. You are evaluating a credit card fraud detection system that has 98% accuracy. It is known that typically there are 10 fraudulent transactinns per million. Assuming that the system has symmetric accuracy for both classes (Fraud, Genuine) of transactions, estimate false alarm rate. b. When do we prefer supervised and unsupervised approaches for sentiment analysis?
Transcribed Image Text:Answer the following: a. You are evaluating a credit card fraud detection system that has 98% accuracy. It is known that typically there are 10 fraudulent transactinns per million. Assuming that the system has symmetric accuracy for both classes (Fraud, Genuine) of transactions, estimate false alarm rate. b. When do we prefer supervised and unsupervised approaches for sentiment analysis?
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