When at a conference, Mr. Gary rented a car for a fee of $62.50 plus $0.12 per mile he drives. What is the most miles Mr. Gary can drive without spending more than $320? O 3,190 miles
O2,145 miles
O 383 miles
O 257 miles

Astudy was interested in determining if eating milk chocolate lowered someone's cholesterol levels. ten people's cholesterol was measured. then, each of these individuals were told to eat 100g of milk chocolate every day and to eat as they normally did. after two weeks, their cholesterol levels were measured again. is there evidence to support that their cholesterol levels went down? how should we write the alternative hypothesis? (mud = the population mean difference= before - after)a. ha: mud = 0b. ha: mud > 0c. ha: mud < 0d. ha: mud does not equal 0