Question 695074
There is 1 red ball, 1 blue ball, and 1 yellow ball in a hat. Two balls are selected. Construct a tree driagram and list the sample space if the selection is done. 
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root column has r ; b ; y
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Branch column has 
b & y to right of r
r & y to right of b
r & b to right of y
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Sample Space: rb;ry;br;by;yr/yb
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Cheers,
Stan H.
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