The clayton families pool has vertices at the coordinates (0,2) (0,5) (2,5) (2,6) (5,6) (5,1) (2,1) and (2,2). if each grid square has an area of 9 ft.² what is the area of the pool?

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.