SOLUTION: A jar contains 3 red marbles, numbered 1 to 3, and 9 blue marbles numbered 1 to 9.
a) A marble is chosen at random. If you're told the marble is red, what is the probability th
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Question 1048617: A jar contains 3 red marbles, numbered 1 to 3, and 9 blue marbles numbered 1 to 9.
a) A marble is chosen at random. If you're told the marble is red, what is the probability that it has the number 2 on it?
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
The sample subspace becomes the subset of all red marbles. Hence, the probability that it has the number 2 on it is 1/3.
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