2. Andrew's employer offers a group insurance plan that covers hospital stays and surgical
procedures. The company that employs his wife Shirley offers an insurance plan that covers
these things as well as doctor visits and prescriptions. Shirley finds out that her insurance has
a COB provision. How does this help Andrew?

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