Original post by allenpc
Tried this question with a tree diagram method and got Doris twice. The correct answer is Boris. How do you do this question?
Tried this question with a tree diagram method and got Doris twice. The correct answer is Boris. How do you do this question?
Nope... can you post your tree diagram?
Original post by allenpc
Tried this question with a tree diagram method and got Doris twice. The correct answer is Boris. How do you do this question?
Tried this question with a tree diagram method and got Doris twice. The correct answer is Boris. How do you do this question?
This question was discussed in this thread:. https://www.thestudentroom.co.uk/showthread.php?t=4961356
There was a fairly clear consensus that Doris *is* the correct answer.
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