we have 5 identical urns of which the urn A1 contains 8 white and 2 black balls each of the other urns Ai (i = 2,3,4,5)
Posted: Tue Nov 23, 2021 9:21 am
we have 5 identical urns of which the urn A1 contains 8 white and 2 black balls each of the other urns Ai (i = 2,3,4,5) containing 3 white and 5 black balls we extract at random a ball of ballot box chosen with the hadard this ball is white .Calculate the probability that the ballot box chosen is A1