1. Using the Graphing Calculator to Find Area Under a Curve

2. To find the area between 2 z-scores…
1. Press 2nd, Vars, 2 (normal cdf).
2. Enter the 2 z- scores, separated by a comma.
3. The answer is the area between the z-scores.
To find the area between 2 z-scores…

3. To find the area under a curve using standard numbers
1. You can use the x-value, mean, and standard deviation to specify.
2. Enter 2nd, Vars, normal cdf on your calculator.
3. The 1st number and 2nd number, separated by a comma represent the x- value range.
4. The 3rd number is the mean.
5. The 4th number is the standard deviation.
To find the area under a curve using standard numbers

4. In the White Book Group Work #6 Problems 7-12, Pg. 232
Use your graphing calculator
One difference
You don’t need to subtract answers on the right from one