Question

. 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.

Answer 1

1) the probability of drawing a white marble is 1 out of 9. purple is 8out of 9
2) the probability of drawing two white marbles is 2out of 9
3) two purple because every time you draw if you put it back in the probability doesn't change