Steve had a gross income of $86,100 in 2009. when filing his federal income
tax return, he took the standard deduction of $5700, claimed only himself as
an exemption for $3650, and did not have any other adjustments to income.
according to the following table, which income tax bracket did he fall into?

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