Chester has a par value $500 bond issued by harris county. the bond pays 6.2% yearly interest, and has a current market rate of 98.626. if
harris county bonds had a market rate of 101.760 when chester bought it, what is the current yield on chester's bond?
a. 0.061
b. 0.062
c. 0.063
d 0.031

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