A round cake has a diameter of 10 inches and height of 5 inches. What is the volume of the entire cake? Round to the nearest tenth If the cake is cut into 6 equal pieces, what is the volume of the cake after one piece has been removed ? Round to the nearest tenth

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.