Identify the factors of 4x2 + 12x + 9 (4x − 3)(x − 3) (4x + 3)(x + 3) (2x − 3)(2x − 3) (2x + 3)(2x + 3)

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.