9. An urn contains two black marbles, one red marble and four yellow marbles. Two marbles are chosen, without replacement, from the urn. a) Draw a tree diagram to represent the possible outcomes. b)...

Extracted text: 9. An urn contains two black marbles, one red marble and four yellow marbles. Two marbles are chosen, without replacement, from the urn. a) Draw a tree diagram to represent the possible outcomes. b) Calculate the probability of getting i. One red marble ii. Two yellow marbles iii. One black and one yellow marble