A department store surveyed 428 shoppers, and the following information was obtained: 217 shoppers made a purchase, and 294 were satisfied with the service they received. If 50 of those who made a purchase were not satisfied with the service, how many shoppers did the following?(a) made a purchase and were satisfied with the service(b) made a purchase or were satisfied with the service(c) were satisfied with the service but did not make a purchase(d) were not satisfied and did not make a purchase

Customers at an ice-cream shop took a survey. The results showed that 144 customers rated the shop as being “very satisfactory.”  This number represented 45% of the total number of customers who took the survey. What was the total number of customers who took the survey?

Many internet users shopped online during the holiday season last December. In a surveyof 1500 customers who did holiday shopping online, 22% indicated they were unsatisfiedwith their experience. Of those who were satisfied with their experience, 97% receivedthe product on time, of those customers who were not satisfied, 48% indicated that theydid not receive their product on time for the holidays.a. What is the population?

A total of 191 shoppers at a large suburban mall were asked two questions: 1. Did you see a TV ad for the sale at store M? 2. Did you shop at store M? 89 shoppers indicated they had seen the advertisement; 65 had seen the ad and did not shop at M; 94 shoppers had not shopped at M. One of the shoppers is chosen at random. What is the probability that the person saw the ad and shopped at M? ( 2 dec pl)

A consumer survey was conducted to examine patterns in ownership of tablet computers, cellular telephones, and Blu-ray players. The following data were obtained: 315 people had tablet computers, 236 had cell phones, 269 had Blu-ray players, 69 had all three, 64 had none, 94 had cell phones and Blu-ray players, 57 had cell phones but no computers or Blu-ray players, and 108 had computers and Blu-ray players but no cell phones. (Round your answers to one decimal place.)(a) What percent of the people surveyed owned a cell phone? %(b) What percent of the people surveyed owned only a cell phone?

Last Friday, 38 of the customers in a cafe ordered a milkshake. If 48 customers ordered milkshakes, how many customers were there in total last Friday?