QUESTION 7 The records of the credit card department of Macy's in NYC shows that 30 percent of their sales are cash or check, 30 percent are paid with a credit card, and 40 percent with a debit card. Twenty percent of the cash or check purchases, 90 percent of the credit card purchases, and 60 percent of the debit card purchases are for more than $50. macy's The form of payment is an important tool that supermarkets can use to target certain customers and to get them to pay even more. For example, if customers that pay with a credit card tend to make larger purchases, then the supermarket's marketing department might consider sending out promotional credit card offers to the homes of those customers who pay with a debit card or with cash, in order to get them to pay more next time. a) Based on the information given above, of all purchases at Macy's, what proportion are for over $50? (Your answer should be in decimal form, rounded to 2 decimal places) 0 . b) Jeffrey went to NYC to interview with JP Morgan. Before the interview, he stopped by Macy's to buy a Gap suit that cost $44. . What is the most likely, method that he has used to pay for the suit? . Since Jeffrey's suit cost him $44, then what is the probability that Jeffrey paid using this particular method? (Your probability should be in decimal form, rounded to 2 decimal places) 0 . c) Priya went to NYC to visit the Statue of Liberty. While in NYC, she stopped by Macy's and bought a pair of Steve Madden boots for $299. . Then, what is the probability that Priya has paid with a credit card? (Your probability should be in decimal form, rounded to 2 decimal places) 0