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A box contains 1 red and 3 black balls. ...

A box contains 1 red and 3 black balls. Two balls are drawn at random in succession without replacement. Write the sample space for this experiment.

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A box contain 1 red and 3 identical white balls
Let R denote the red ball and W denote the identical white ball
The 2 ball selected at random in succession without replacement
Sample space is ...
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