A department store reports that 30% of its customer transactions are in cash, 20% are by check, and the rest are by credit card. 20% of the cash transactions, 90% of the check transactions, and 60% of the credit card transactions are for more than $75. A customer has just made a $125 purchase. What is the probability that she paid cash?

A department store reports that 30% of its customer transactions are in cash, 20% are by check, and the rest are by credit card. 20% of the cash transactions, 90% of the check transactions, and 60% of the credit card transactions are for more than $75. A customer has just made a $125 purchase. What is the probability that she paid cash?

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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