Three friends are selling items at a bake sale. may makes $23.25 selling bread inez sells gift baskets and make 100 times as much as may. jo sells pies and make one tenth of the money inez makes. how much money does each friend make?

According to a study conducted in 2015, 18% of shoppers said that they prefer to buy generic instead of name-brand products. suppose that in a recent sample of 1500 shoppers, 315 stated that they prefer to buy generic instead of name-brand products. at a 5% significance level, can you conclude that the proportion of all shoppers who currently prefer to buy generic instead of name-brand products is higher than .18? use both the p-value and the critical-value approaches.