Watch help video Last year at a certain high school, there were 110 boys on the honor roll and 75 girls
on the honor roll. This year, the number of boys on the honor roll decreased by 20%
and the number of girls on the honor roll decreased by 4%. By what percentage did
the total number of students on the honor roll decrease? Round your answer to the
nearest tenth (if necessary)

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?

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

What is the approximate mark up percentage rate before m equals $1740 marked up from p equals $19,422