x,alpha,beta,cumulative!This function is available for compatibility with Excel 2008 and earlier.Returns the Weibull distribution!is ...

!x,alpha,beta,cumulative!!This function is available for compatibility with Excel 2008 and earlier.Returns the Weibull distribution!is the value at which to evaluate the function, a nonnegative number!is a parameter to the distribution, a positive number!is a parameter to the distribution, a positive number!is a logical value: for the cumulative distribution function, use TRUE; for the probability mass function, use FALSE!