Bin A contains 7 white marbles and 6 black marbles. Bin B contains 6 white marbles and 9 black marbles. A marble is chosen at random from Bin A and its color recorded. That marble is then placed in Bin B and a marble is chosen at random from Bin B and its color recorded. (a) Fill in the probability tree below with the appropriate probabilities to describe this situation. 3. black 1. black 4. white 5. black 2. white 6. white 1. 3. 4. 5. 6. (b) Find the probability that a black marble is drawn on the second draw. 2.

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Bin A contains 7 white marbles and 6 black marbles. Bin B contains 6 white marbles and 9 black
marbles. A marble is chosen at random from Bin A and its color recorded. That marble is then
placed in Bin B and a marble is chosen at random from Bin B and its color recorded.
(a) Fill in the probability tree below with the appropriate probabilities to describe this situation.
3.
black
1.
black
4.
white
5.
black
white
white
1.
3.
4.
6.
(b) Find the probability that a black marble is drawn on the second draw.
6.
2.
5.
2.
Transcribed Image Text:Bin A contains 7 white marbles and 6 black marbles. Bin B contains 6 white marbles and 9 black marbles. A marble is chosen at random from Bin A and its color recorded. That marble is then placed in Bin B and a marble is chosen at random from Bin B and its color recorded. (a) Fill in the probability tree below with the appropriate probabilities to describe this situation. 3. black 1. black 4. white 5. black white white 1. 3. 4. 6. (b) Find the probability that a black marble is drawn on the second draw. 6. 2. 5. 2.
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