Asap route 66 is about 2,451 miles long and goes from downtown chicago, illinois to the santa monica pier in los angeles county, california. imagine you drive from chicago to tulsa, oklahoma which is about 800 miles. when you get to tulsa, what percent of route 66 have you traveled? round your percent to the nearest whole number.

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.