Sixty percent of the students at an urban university carry more than one credit card. Selecting a student at random from the students at this university can be viewed as a study with two possible outcomes: has more than on credit card and does not have more than one credit card. Which of the following would be a correct assignment of random digits to the outcomes in order to simulate selecting a student at random from the students enrolled at the university?

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