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Formula Functions / Functions T to Z / WEIBULL
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    WEIBULL
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    This function returns the two-parameter Weibull distribution, often used in reliability analysis.

    Syntax

    WEIBULL(x,alpha,beta,cumulative)

    Arguments

    This function has these arguments:

    Argument Description
    x Value at which to evaluate the distribution
    alpha Scale parameter of the distribution, represented by alpha
    beta Shape parameter of the distribution, represented by beta
    cumulative Logical value that determines the form of the function If cumulative is TRUE, then this function returns the cumulative distribution function; if FALSE, it returns the probability mass function.

    Data Types

    Accepts numeric data for all arguments except cumulative, which is logical (boolean). Returns numeric data.

    Examples

    WEIBULL(3,D4,D5,FALSE)

    WEIBULL(50,10,20,TRUE)

    Version Available

    This function is available in product version 1.0 or later.

    See Also

    BINOMDIST | Statistical Functions