Ralph Chase plans to sell a piece of property for $170000. He wants the money to be paid off in two ways a short-term note at 12% interest and a long-term note at 9% interest. Find the amount of each note if the total annual interest paid is $18000.

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.