. a bag contains 2 white marbles and seven purple marbles. Two marbles are drawn at random. One marble is drwan and not replaced. Then a second marble is drawn.
1. what is the probability of selecting a purple marble and then a white marble?
2. what is the probability of selecting two white marbles?
3. is there a greater chance of selecting two white marbles in a row or two purple marbles in a row? Show your work.