Graph the system of inequalities presented here on your own paper, then use your graph to answer the following questions y > 5x5 y> 5x+5 part b: is the point (-2,5) included in the solution area for the system? justify your answer mathematically (4 points)

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.