2. Find the median of the set of numbers: 21, 3, 7, 17, 19, 31, 46, 20 and 43.

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?

Find solution of the linear equation y = 2/3x + 1/3

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.