What Is a Normal CDF?


Quick Answer

A normal cumulative distribution function returns a cumulative probability from zero up to an input value of a random variable represented by x. According to MathWorks, the normal cumulative distribution function is also used to specify the distribution of multivariate random variables.

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Full Answer

MathBits.com states that cumulative distribution function has the power to return the continuous distribution curve area segment from negative infinity to the variable x. According to MathWorks, when given an arbitrary mean µ and standard deviation ?, the normal cumulative distribution function is named with regard to the standard distribution where the bounds of the interval are standardized.

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