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anonymous

  • 5 years ago

A bag contains 5 red marbles and 3 yellow marbles. What is the probability of drawing a red marble, then replacing that marble, then drawing a red marble again on the second pick? A. 9/64 B. 15/64 C. 25/64 D. 5/8

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  1. anonymous
    • 5 years ago
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    This is my last question please help me!!!

  2. anonymous
    • 5 years ago
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    i would like to know what u have in mind on how to solve this one.

  3. anonymous
    • 5 years ago
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    i have no idea

  4. anonymous
    • 5 years ago
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    ill just hav 2 guess

  5. anonymous
    • 5 years ago
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    for 1st pick, u hav 3red and 5green, so probability to get red is 3/8. u got this?

  6. anonymous
    • 5 years ago
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    so i think it might be D

  7. anonymous
    • 5 years ago
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    sorry/ it should be 5/8. D is wrong

  8. anonymous
    • 5 years ago
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    aww well that okay i got an 84% on the onlin quiz

  9. anonymous
    • 5 years ago
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    merry. u getting better. more hardwork will make u better.not a bad mark for that. :)

  10. anonymous
    • 5 years ago
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    thanx see ya laterz im tired bii :)

  11. anonymous
    • 5 years ago
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    uuu

  12. anonymous
    • 5 years ago
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    later merry

  13. anonymous
    • 5 years ago
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    Oh and i changed my account now its this one because i forgot my password to the other one

  14. anonymous
    • 5 years ago
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    lol.. ok merry. be good. study more and u wil get better in probability.

  15. anonymous
    • 5 years ago
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    thanx u to . . . wait no ur good at tht i mean humm be good 2 :)

  16. radar
    • 5 years ago
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    merrylin you for got to consider the problem to its completion. The first draw was indeed 3/8. Now you continue with the problem, you return the red marble and draw again. It is still 3/8, but your probability of doing this twice is : 3/8 x 3/8 or 9/64. Choice A

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