8.6.3
suppose that you decide to borrow $14,000 for a new car. you can select one of the following loans, each requiring regular monthly payments.
installment loan a: three-year loan at 5.5%
installment loan b: five-year loan at 6.4%
a. find the monthly payments and the total interest for loan a.
what is the monthly payment for loan a ?

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