John needs to print 36 copies of his colored poster. His HP printer can print 16 copies in 5 minutes. His
Epson printer can print 4 copies in 1 minute. Enter the number of minutes John would take to print his
copies if he used both printers at the same time.

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