A warehouse floor has a perimeter of 6,615 feet. What is the perimeter of the floor in yards? (1 yd = 3 ft) 2,205 yd 19,845 yd 78,380 yd 735 yd x Clear answer

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.