florarunyon florarunyon

18-07-2016
Mathematics

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In a bag of marbles you have three green, two yellow, six blue, and nine red marbles. What is the probability of picking a red marble from the bag?

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dalendrk dalendrk

18-07-2016

[tex]|\Omega|=3+2+6+9=20-a\ number\ of\ all\ marables\\\\|R|=9-a\ number\ of\ red\ marables\\\\\boxed{P(R)=\dfrac{9}{20}}[/tex]

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