A carpet store advertises 16 square yards of carpeting for $300, which includes the $60 installation charge. Which equation could be used to determine the cost of one square yard of carpet x? * 16x = 300
x + 60 = 300
60x + 16 = 300
16x + 60 = 300​

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.