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In a bag there are 2 red marbles, 3 white marbles and 5 blue marbles. Once a marble is selected, it is NOT replaced. What is the value of probability of selecting a red marble given the first marble is
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Jul 26, 2018
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In a bag there are 2 red marbles, 3 white marbles and 5 blue marbles. Once a marble is selected, it is NOT replaced. What is the value of probability of selecting a red marble given the first marble is white?
Mathematics
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Maqsud
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2 Red marbles, 3 White marbles and 5 Blue marbles. You already selected a White marble so there are 9 marbles left and 2 are Red. So the probability of selecting a Red marble in the next draw is 2/9th's of the time.
Final answer: 2/9 or 0.222 rounded to the thousandths place.
InVINCEable
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Jul 27, 2018
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3/9 or 1/2, in simplest form
Cyberguille
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Jul 30, 2018
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