Use the normal curve to estimate the chance that you'd get between 40%-60% "2"'s in a random sample of 36.

Do it in 2 steps: First, convert 40% and 60% to z scores. (Remember Z= (Value - EV)/SE. In this case we're talking about percents, so use EV for the percent and the SE for the percent. What is the Z score for 40%? (Round to 1 decimal place.)

What is the Z score for 60%? (Round to 1 decimal place.)

m.Now, find the area between those 2 Z scores on the normal curve.