Customer: "i buy the same items every week and my bill is normally $90.00. why am i now being charged $108.00 for the exact same items? " employee: "unfortunately, the increased cost of raw materials has forced us to increase our prices by "

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)