A section of a deck is shaped like a trapezoid. For this section, the length of one base is 47 feet, and the length of the other base is 42 feet. The height is 18 feet. What is the area of this section of the deck? The area for the section of the deck is ft2.

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.