from Goulib.notebook import *
from Goulib.stats import *
dice=Discrete(range(1,6+1))
dice
Discrete(mean=3.5, var=3.5)
Y=Discrete({1:0.2, -1:0.8})
Y
Discrete(mean=-0.6, var=2)
X=Discrete({-2:0.15,-1:.2,0:.3,1:.2,2:.15})
X**2+Y
Stats(mean=-0.3, var=8.640625)
n1=Normal()
print(n1)
n1
Normal(mean=0, var=1)
n2=Normal([],4,4)
n2
n1+n2
plot.plot([n1,n2,n1+n2])