Select all ordered pairs that satisfy the function y=-**+2 (Select all that apply.)
O(-1, 4)
O (
(2,8)
(8,4)
(12, -7)
HELPOO

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.