An arts academy requires there to be 4 teachers for every 72 students and 3 tutors for every 33 students. how many students does the academy have per teacher? per tutor? how many tutors does the academy need if it has 66 students?

At 6 1/2 cents per pound of string beans how much does 7 pounds cost

8.74 rounded 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.