The area of circle H is 100pi, and HF=26 centimeters [HINT: use the area to find the radius HE & HG]. What is the perimeter of quadrilateral EFGH [HINT: use the measurements of HF & HE to find EF via Pythagorean theorem THEN use the same method to solve for FG]? *

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.