1divided by 4/2 + 2 to the 2nd power

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.

The formula for the volume of a right square pyramid is given below, where a is the side length of the base and h is the height.

Use the three steps to solve the problem. mrs. west is 14 years younger than her aunt. if mrs. west's age in years is as much below 60 as her aunt's age is over 40, how old is each? {aunt's age is a0, mrs. west's age is a1}