The Venn diagram shows the probabilities associated with events AAA, B B\,B and CCC.
Write down the two events that are mutually exclusive.
Given that P(B∣C)=0.25P(B\mid C)=0.25P(B∣C)=0.25, find ppp.
Given also that A A\,A and B B\,B are independent, find q q\,q and rrr.