To determine customer opinion of their pricingpricing, home depothome depot randomly selects 9090 check out linescheck out lines during a certain week and surveys all customers in the check out linescustomers in the check out lines. what type of sampling is used?

Amajor grocery store chain is trying to cut down on waste. currently, they get peaches from two different distributors, whole fruits and green grocer. out of a two large shipments, the manager randomly selects items from both suppliers and counts the number of items that are not sell-able due to bruising, disease or other problems. she then makes a confidence interval. is there a significant difference in the quality of the peaches between the two distributors? 95% ci for pw-pg: (0.064, 0.156)