Consider the four points shown on the graph. у
84
-7
-6
-5
2
1
ind
-3 -2
- 1
0
2 3
4
5 6
-2
-3
Do the four points lie on the graph of the equation x + 2y = 8? Why or why not?
Select your answers from the drop-down lists.

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.