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GeoGebraGeoGebra Klaslokaal

The Normal Approximation to the Binomial

Use the sliders to adjust the values for n and p. Use Point A to determine the P(X<xa). Use the Checkbox for the Normal Curve to reveal and hide the normal curve.
What do you notice about the P(X<xa) when n is small? What do you notice about the P(X<xa) when n is large? How well does the Normal Curve estimate the area of the Binomial Curve when n is large? When n is small?