InabagcontainingMcolouredballs, thenumberdof redballs isunknown.We
modelthepossibleratiosr:= d
M
ofredtoallballsbyaprioruniformdistribution,
sothatforalld∈{0,...,M},
P r= d
M = 1
M+1 .
Assumethataball isnowdrawnrandomlyfromthebaginsuchawaythatallthe
ballsareequallylikelytobechosen(uniformdistribution). Let ’X=red’bethe
event ’redball isdrawn’.
(a)Forafixedvalueofr,what istheconditionalprobabilityP(X=red|r)?
Mathbot Says...
I wasn't able to parse your question, but the HE.NET team is hard at work making me smarter.