shape parameter a = 1 , Weibull approximates the exponential probability distribution of failure data set
shape parameter a = 2, Weibull approximates the Raleigh probability distribution
shape parameter a = 3, Weibull approximates the normal probability distribution
Three parameter Weibull with mean μ (m) = 0 ; μ (m) = 5 ; μ (m) =10 ;
Standard Weibull equation scale parameter b = 1
Credit: Desmos Graphing
Instruction on how to edit using Desmos Graphing: Click the lower right icon "edit graph on desmos" created by Sam Ortega 04/24/2019