Basic Probability Question, attached a photo! Please help. Thanks!

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)

In a sale there is 25% of all prices a chair costs £45 in sale how much was it before the sale

2and 3 are angles. complementary vertical congruent supplementary