A line has a slope of
Which ordered pairs could be points on a line that is perpendicular to this line? Select two options,
(-2, 0) and (2.5)
44,5) and (4.-5)
(-3, 4) and (2.0)
(1,-1) and (6.-5)
(2,-1) and (10, 9)

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.