The grades on a math midterm at Springer are roughly symmetric with u = 72 and o = 4.5. Stephanie scored 86 on the exam.
Find the Z-score for Stephanie's exam grade. Round to two decimal places.

the height of the surface increases from the center out to the sides of the road.

step-by-step explanation:

as we move out we move away from the x-axis.

and as mentioned in the problem statement that height of a road increases when we move away from the center x.

hence proved that 3rd option

the height of the surface increases from the center out to the sides of the road.

is the correct option.

answer: $1794

step-by-step explanation: