What is the expected value of the spinner shown?
4
2.5
4.5
1
What is the expected value of the spinner shown?
2.125
3.25
2
1.875
A study showed that 25% of the students drive themselves to school. Based on the suggested probability, in a class of 18 students, about how many students would you expect to drive themselves to school?
Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.
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?