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The '''normal distribution''' is another name for the '''[[bell curve]]'''.
The '''normal distribution''' is another name for the '''[[bell curve]]''' [[probability distribution]].
The normal probability density function (PDF) is
The normal [[probability density function]] (PDF) is
:<math>
:<math>
f(x)=\frac{1}{\sqrt{2\pi\sigma^2}}
f(x)=\frac{1}{\sqrt{2\pi\sigma^2}}