Javier works in a photo lab and needs to make a reduced copy of a photograph that is 8 inches long. the customer wants the copy to have a length of 4.5 inches. each time he presses the reduce button on the copier, the copy is reduced by 12%. javier and his boss had an argument, because javier claimed that pressing the button 5 times would be enough to fulfill the customer's request. his boss said that pressing the button 5 times would result in a length less than the desired 4.5 inches. which of the following conclusions can be made?

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