You are evaluating a credit card fraud detection system that has 95% accuracy. It is known...
You are evaluating a credit card fraud detection system that has 95% accuracy. It is known that typically there are 2 fraudulent transactions per million. Assuming that the system has symmetric accuracy for both classes (Fraud, Genuine) of transactions, estimate false alarm rate.
Homework Answers
Add Answer to:
You are evaluating a credit card fraud detection system that has
95% accuracy. It is known...
Credit card fraud is fraud perpetrated through stolen credit cards or credit card information. For years, credit card issuers have been using data mining and statistical tools to detect fraud. Citiba...
Credit card fraud is fraud perpetrated through stolen credit cards or credit card information. For years, credit card issuers have been using data mining and statistical tools to detect fraud. Citibank reported that knowing the type of product or service bought, frequency of purchases, and size and location of transaction can significantly reduce fraud. (Source: Jesus Mena, Investigative Data Mining for Security and Criminal Detection, Butterworth-Heinemann, pp. 250-251) A data-mining analyst at a major credit card company would like to...
Question 3: Evaluating customer profitability You own a credit card company. You want to evaluate the...
Question 3: Evaluating customer profitability You own a credit card company. You want to evaluate the profitability of customers A and B. customer A customer B credit card balance $1,500 $600 number of transactions 150 60 number of customer-support calls 60 The only source of revenue from customers is the interest that you charge on credit card balances. You charge customers an interest rate of 40%. Thus, if the credit card balance is $1,000, revenue is $1000*0.4=$400. Variable costs are...
Question 3: Evaluating customer profitability You own a credit card company. You want to evaluate the...
Question 3: Evaluating customer profitability You own a credit card company. You want to evaluate the profitability of customers A and B. customer A customer B credit card balance $500 $200 number of transactions 50 20 number of customer-support calls 20 1 The only source of revenue from customers is the interest that you charge on credit card balances. You charge customers an interest rate of 30%. Thus, if the credit card balance is $1,000, revenue is $1000*0.3=$300. Variable costs...
Question 3: Evaluating customer profitability credit card company. You want to evaluate the profitability of customers...
Question 3: Evaluating customer profitability credit card company. You want to evaluate the profitability of customers A and B You own customer A customer B $400 credit card balance $1,000 number of transactions 100 40 number of customer-support calls 40 2 The only source of revenue from customers is the interest that you charge on credit card balances. You charge customers an interest rate of 40%. Thus, if the credit card balance is $1,000, revenue is $1000 0.4-$400 Variable costs...
My Not Question 2 (evaluating customer profitability) You own a credit card company. You want to...
My Not Question 2 (evaluating customer profitability) You own a credit card company. You want to evaluate the profitability of two representative customers, A and B. The numbers for customers A and B are as follows: customer A customer B credit card balance 51.500 5600 number of transactions 150 160 number of customer support calls 30 3 Your revenues and costs for customers are as follows: • Revenues: The only source of revenue is the interest you charge on credit...
Question 2 (evaluating customer profitability) You own a credit card company. You want to evaluate the profitability of...
Question 2 (evaluating customer profitability) You own a credit card company. You want to evaluate the profitability of two representative customers, A and B. The numbers for customers A and B are as follows: customer Acustomer B credit card balance $500 $200 number of transactions number of customer-support calls 20 50 20 Your revenues and costs for customers are as follows: * Revenues: The only source of revenue is the interest you charge on credit card balances. You charge customers...
You own a credit card company. You want to evaluate the profitability of customers A and...
You own a credit card company. You want to evaluate the profitability of customers A and B. customer A customer B $600 credit card balance $1,500 number of transactions 150 60 number of customer-support calls 60 3 The only source of revenue from customers is the interest that you charge on credit card balances. You charge customers an interest rate of 10 %. Thus, if the credit card balance is $1,000, revenue is $1000*0.1-$100 Variable costs are zero for simplicity....
Z-Mart uses the perpetual inventory system and has its own credit card. Z-Mart charges a per-month...
Z-Mart uses the perpetual inventory system and has its own credit card. Z-Mart charges a per-month interest fee for any unpaid balance on its store credit card at each month-end. Apr. 30 Z-Mart sold merchandise for $2,200 (that had cost $1,250) and accepted the customer’s Z-Mart store credit card. May 31 Z-Mart recorded $4 of interest earned from its store credit card as of this month-end. Prepare journal entries to record the above credit card transactions of Z-Mart.
3. You have a credit card on which you currenty owe $10,000 The card has a...
3. You have a credit card on which you currenty owe $10,000 The card has a 19 99% annual interest rate and requires a minimum monthly payment of $50 Assume that you do not incur any other purchases on the card. (12 points) a) If you only make the minimum payment, how long will it take you to pay off the card? b) If you only make the minimum payment, how much total interest will you pay? c) If you...
show all wokring 4. You have a credit card account that charges interest at the rate...
show all wokring
4. You have a credit card account that charges interest at the rate of 1.45% per month a. What is APR? EAR? b. In this month's statement, you found out that your credit card company changed its policy. It now charges interest at the rate of 0.0475% per day and claims that it provides better rate than before, since its new APR is lower than previous APR. Do you agree? Are you better or worse off? Show...
Credit card fraud is fraud perpetrated through stolen credit cards or credit card information. For years, credit card issuers have been using data mining and statistical tools to detect fraud. Citibank reported that knowing the type of product or service bought, frequency of purchases, and size and location of transaction can significantly reduce fraud. (Source: Jesus Mena, Investigative Data Mining for Security and Criminal Detection, Butterworth-Heinemann, pp. 250-251) A data-mining analyst at a major credit card company would like to...
Question 3: Evaluating customer profitability You own a credit card company. You want to evaluate the profitability of customers A and B. customer A customer B credit card balance $1,500 $600 number of transactions 150 60 number of customer-support calls 60 The only source of revenue from customers is the interest that you charge on credit card balances. You charge customers an interest rate of 40%. Thus, if the credit card balance is $1,000, revenue is $1000*0.4=$400. Variable costs are...
Question 3: Evaluating customer profitability credit card company. You want to evaluate the profitability of customers A and B You own customer A customer B $400 credit card balance $1,000 number of transactions 100 40 number of customer-support calls 40 2 The only source of revenue from customers is the interest that you charge on credit card balances. You charge customers an interest rate of 40%. Thus, if the credit card balance is $1,000, revenue is $1000 0.4-$400 Variable costs...
My Not Question 2 (evaluating customer profitability) You own a credit card company. You want to evaluate the profitability of two representative customers, A and B. The numbers for customers A and B are as follows: customer A customer B credit card balance 51.500 5600 number of transactions 150 160 number of customer support calls 30 3 Your revenues and costs for customers are as follows: • Revenues: The only source of revenue is the interest you charge on credit...
Question 2 (evaluating customer profitability) You own a credit card company. You want to evaluate the profitability of two representative customers, A and B. The numbers for customers A and B are as follows: customer Acustomer B credit card balance $500 $200 number of transactions number of customer-support calls 20 50 20 Your revenues and costs for customers are as follows: * Revenues: The only source of revenue is the interest you charge on credit card balances. You charge customers...
You own a credit card company. You want to evaluate the profitability of customers A and B. customer A customer B $600 credit card balance $1,500 number of transactions 150 60 number of customer-support calls 60 3 The only source of revenue from customers is the interest that you charge on credit card balances. You charge customers an interest rate of 10 %. Thus, if the credit card balance is $1,000, revenue is $1000*0.1-$100 Variable costs are zero for simplicity....
show all wokring
4. You have a credit card account that charges interest at the rate of 1.45% per month a. What is APR? EAR? b. In this month's statement, you found out that your credit card company changed its policy. It now charges interest at the rate of 0.0475% per day and claims that it provides better rate than before, since its new APR is lower than previous APR. Do you agree? Are you better or worse off? Show...
Most questions answered within 3 hours.
-
Where is the error in this code sequence?
String s1 = "Hello";
String s2 = "ello";...
asked 10 months ago -
Financial data for Joel de Paris, Inc., for last year
follow:
Joel de Paris, Inc.
Balance...
asked 10 months ago -
Consider this reaction:
Al2(SO4)3 (aq)+ BaCl3
(aq) Al2Cl6 (aq)- +
3BaSO4(s) . What is the...
asked 10 months ago -
Suppose that Savneet is considering increasing her
recent random sample from 20 car rentals to 40...
asked 10 months ago -
Trucks arrive at an unloading terminal at an average rate of 120
per hour.
Trucks arrive...
asked 10 months ago -
Why are methanol and ethanol completely soluble in water while
octanol is not very little soluble....
asked 10 months ago -
A facilities manager at a university reads in a research report
that the mean amount of...
asked 10 months ago -
When the CuSO4 is rehydrated by adding water to the anhydrous
compound, is this an endothermic...
asked 10 months ago -
A ray of sunlight is passing from diamond into crown glass; the
angle of incidence is...
asked 10 months ago -
A block of mass 0.249 kg is placed on top of a light, vertical
spring of...
asked 10 months ago -
how do the kidneys compensate in the presences of acidosis
a) trigger hyperventilate
b) reserve acid...
asked 10 months ago -
Question 501 pts
The rental rate of capital to the firm increases. Which of the
following...
asked 10 months ago