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[SOLVED] Complete the tree diagram

karush

Well-known member
Jan 31, 2012
2,728
View attachment 1163

well first want to see if i completed the tree diagram correctly
text in the boxes are mine.
 

MarkFL

Administrator
Staff member
Feb 24, 2012
13,775
In the rightmost column of probabilities, third from the top, you want 11/12 X 1/12 = 11/144. I can tell this is only a typo. Otherwise looks good.
 

karush

Well-known member
Jan 31, 2012
2,728
In the rightmost column of probabilities, third from the top, you want 11/12 X 1/12 = 11/144. I can tell this is only a typo. Otherwise looks good.
Yep typo, so is the answer for (b) just 11/144
 
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