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Normal distribution calculator
Enter mean (average), standard deviation, cutoff points, and this normal distribution calculator will calculate the area (=probability) under the normal distribution curve.
Enter parameters of normal distribution:
Mean
Standard deviation
Above
Below
Between
and
Outside
and
Result:
Area (probability) =
0
Normal distribution or Gaussian distribution (according to Carl Friedrich Gauss) is one of the most important probability distributions of a continuous random variable. Normal distribution is important in statistics and is often used in the natural and social sciences to represent real-valued random variables whose distributions are not known. The normal distribution is sometimes informally called the bell curve.
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