Ateacher took a survey and found that 16 out of 25 students liked a certain snack item best make a prediction of how many students like to snack item best if there are 225 students

a) 116 students
b)124 students
c)132 students
d)144 students

7. if the value of x varies directly with the value of y, and x = 3 when y = 21. what is the valu y, and x = 3 when y = 21. what is the value of x when y = 105?

Based on the figures as marked, /\rqs = —

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?