A hat contains 3 marbles one,orange one red,one blue.Two marbles are selected at random without from the hat. a.sample space b.1 red marble.c.not red d.no blue marble.
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probability for red=1/3
probability for blue=1/3
not red=1/3 or 1/3
not bue=1/3 or 1/3
On the questions I asked two marbles are selected out of the hat without replacement
Is the answer 7/9 without replacement
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