The distribution of the amount of money spent by students on textbooks in a semester is approximately normal in shape with a mean of: μ
= 377 and a standard deviation of:
σ
= 33.
According to the standard deviation rule, almost 16% of the students spent more than what amount of money on textbooks in a semester?

An unknown number x is at most 10. which graph best represents all the values of x? number line graph with closed circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the left. number line graph with closed circle on 10 and shading to the left.