math *check*

A bag contains 9 green marbles and 11 white marbles. You select a marble at random. What are the odds in favor of picking a green marble?
A. 9:20
B. 2:9
C. 11:9
D. 9:11***?

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asked by Me
  1. prob(green) = 9/20
    prob(not green) = 11/20

    odds in favour of green = (9/20) : (11/20)
    = 9: 11

    you are correct.

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    posted by Reiny
  2. thank you!

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    posted by Me
  3. Correct!

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  4. you are correct.

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  5. why did it have to be 911

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    posted by answers
  6. just cuz why not

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