Alicia and Karen are practicing for their cross country meet next week. They both start at their school. Alicia runs 2 miles east and 4 miles north, and Karen runs 5 miles west and 1 mile south. What is the straight line distance
between them at the end of their runs rounded to the nearest tenth of a mile?
A. 6.6
B. 7.6
C. 8.6
D. 9.6

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.