Two Left Tails Under Normal Distribution Curve

Two Left Tails Under Normal Distribution Curve
Enter the lower z-score as the red score and the higher z-score as the blue one or drag the sliders to the desired positions.


Click the checkbox to show the area between z-scores to reveal the probability that a value falls between the two z-scores.
Brothen, 26 June 2013, Created with GeoGebra