Which of the following statements are true? Check all that apply. The distance covered on a two-hour bicycle ride depends on the bike's rate of
speed. At 10 mph, the rider will cover 20 miles. At 15 mph, she will cover 30
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