11) Consider the following table of events. (4 marks) Eye color Coffee Tea Blue 6 4 Brown 4 6 Black 10 5 a) What is the probability that we choose a person who has black eyes and drinks tea? b) What is the probability that the person we choose at random either drinks coffee or has blue eyes? c) What is the probability that we choose a person who drinks tea if we know she has black eyes? 12) 25% of products in a store come from company A. 35% come from company "B" and the rest come from company "C". Company A has the defect rate of 2%. Company "B""'s defect rate is 3.5% and company "C" has a defect rate of 1.5%. We found a defective item. (4 marks) a) Draw the tree diagram for this case. b) What is the probability that this item is from company B? c) What is the probability that it is from company "C