A rectangular prism has a length of 5in a width of 6 in and a height of 8 in The prism is filled with cubes that have edge lengths of 1/2 in how many cubes are needed to fill the rectangular prism

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.