. Michael’s employer just switched to a new payroll system. He wants to make sure that his net pay has been computed correctly. His gross pay per pay period is $587.34. He has the following deductions: Social Security tax (6.2%), Medicare tax (1.45%), federal withholding tax $164.45, state withholding tax $76.34, retirement insurance contribution $50.00, disability insurance fee $8.00, medical insurance fee $23.00, and dental insurance fee $8.00. What should his net pay be for this pay period? Net pay = gross pay – deductions.

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