A bag contains 2 white marbles and 7 purple marbles. Two marbles are drawn at random. One marble is drawn and not replaced. Then a second marble is drawn. What is the probability of selecting a purple marble and then a white marble?
@Aveline

Question

A bag contains 2 white marbles and 7 purple marbles. Two marbles are drawn at random. One marble is drawn and not replaced. Then a second marble is drawn. What is the probability of selecting a purple marble and then a white marble?
@Aveline

littlediva12459 · Answer

A. 7/36
B. 1/7
C. 1/14
D. 2/9

aveline · Answer

The chance of selecting a purple marble is 7/9. After we remove one marble, the chance of getting a white marble is 2/8.
What is:$$\frac{ 2 }{ 8 } \times \frac{ 7 }{ 9 }$$?

littlediva12459 · Answer

it would be 7/36 soA.

littlediva12459 · Answer

thanks for the help