http://t3x.org/klong-stat/f08.kg.html

f08.kg

Download program

.l("config.kg")
grid([0 10 1];[0 1 0.1])

Plot chi-square PDF with nu=3 and fill area starting at 0.9'th quantile; then re-draw the grid and mark the border of the area with a vertical line

plot(x2.pdf(3;))
area(b::x2.qf(3;0.9);10;0)
grid([0 10 1];[0 1 0.1])
vline(b)
draw() 

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