WEIBULL.DIST(x, alpha, beta, cumulative)

Returns the probability distribution function OR the cumulative probability function for a weibull distribution.

xThe numeric value at which to evaluate the function.
alphaThe first parameter.
betaThe second parameter.
cumulativeA logical value indicating the type of function to use:
False (or 0) = [[probability distribution function]] (equal to)
True (<> 0) = [[cumulative probability function]] (equal to or less than)

* This function was added in Excel 2010 to replace the WEIBULL function.
* The weibull distribution is a [[continuous distribution]]
* If "cumulative" = False, then the height of the curve at "x" is returned.
* If "cumulative" = True, then the area under the curve to the left of "x" is returned.
* For the Microsoft documentation refer to support.microsoft.com


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