I HAFT TO DO SOMETHING FOR THEM SO PLEASE DONT ANSWER UNTIL HE/SHE HAS FIRST PLEASE, THNXS so i dont get reported; (54 - 6 ) ÷ 8 = ??

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.