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anonymous

  • one year ago

A vendor has 22 balloons for sale: 11 are yellow, 4 are red, and 7 are green. A balloon is selected at random and sold. If the balloon sold is yellow, what is the probability that the next balloon selected at random is also yellow? 10/21 11/21 10/22 *** 11/22

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  1. ali2x2
    • one year ago
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    11/22

  2. anonymous
    • one year ago
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    10/21

  3. anonymous
    • one year ago
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    can you explain? @ali2x2

  4. anonymous
    • one year ago
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    because u must subs tact a balloon nd yellow before selling the next ballon, rad the queationc carefully

  5. anonymous
    • one year ago
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    but shouldn't it still be over 22 because there were still 22 balloons in total. so wouldn't it be 10/22 @nick1234567

  6. anonymous
    • one year ago
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    but the question say u sell a yellow so yu down to toal 21 gallons and 10 yellow and then wants to know the prob of selling the next balloon and it being yellow

  7. anonymous
    • one year ago
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    so 10/21

  8. anonymous
    • one year ago
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    oh ok that makes sense. Thanks for explaining!

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