| APPLET | SOURCE | DESCRIPTION |
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| Normal Approximation to Binomial Distribution | Southern Polytechnic State Univ. Math Dept. | Illustrates visually with an example the normal approximation by showing z-scores and probabilities associated with any x values for the binomial. more
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| Normal Approximation to Binomial | Rice Virtual Lab in Statistics (Lane) | Calculates and shows visually binomial and normal probabilities of any ranges for the specified values of n and p. more |
| Binomial Histogram | SticiGui (Stark) | For various values of n and p, calculates and shows visually the binomial distribution, normal approximation, and probabilities less than, greater than or between two values. more |
| Normal Approximation | Department of Statistics, WVU | Illustrates visually and calculates binomial left, right and interior probabilities and normal approximations as n and p are varied, also includes examples. more |
| Normal Distribution | Interactive Statistics (Lind, Marchal, Wathen) | Displays the change in the curve and calculates an upper tail probability for an x value as mean and standard deviation are varied. more |
| Normal Probability Calculator | Rossman/Chance Applet Collection | Compares graphically two user-specified normals, computes z-scores for both and calculates interior or two tailed probabilities for any values. more
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| Z-scores/ Area under the normal distribution | Reed | Shows graphically cumulative probabilities for entered z-scores and how these values are found from a standard normal table. more |
| Standard Normal Distribution | Southern Polytechnic State Univ. Math Dept. | Calculates and shows graphically area/probability on the standard normal between any two specified z-scores. more |