F(x)=1-e^ {-(\frac{x}{T})^b}

Verteilungsfunktion

T = 4 (slider from 0 to 10, step 0.1)
b = 2.6 (slider from 0 to 10, step 0.1)
f = Weibull(b, T, x)
A = Integral(f, 0, T)
F(x) = 1 - exp((-(x / T)^(b)))
a = true