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anonymous

  • one year ago

FAN AND MEDAL A box contains 100 colored chips; some are yellow and some are green. John chooses a chip at random, records the color, and places it back in the bag. John has recorded 57 yellow chips and 19 green chips. Using these results, what is the predicted number of green chips in the box? 25 43 76 81

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  1. anonymous
    • one year ago
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    25, 57+19=76 100-76=24

  2. anonymous
    • one year ago
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    Ok well if you use ratios... 57 or 76 are yellow... so 57 yellow --- = ------ 76 100

  3. anonymous
    • one year ago
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    Now well make x the subject... then you can calculate an answer... but I would suggest you read your notes on experimental probability, it would explain it all.. the question, whilst about probability, is an application of ratios.. hope it helps

  4. anonymous
    • one year ago
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    @emma.monsterr , 24 is not up there

  5. anonymous
    • one year ago
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    It says "the predicted number" its a guess and 25 is up their

  6. anonymous
    • one year ago
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    thanks emma

  7. anonymous
    • one year ago
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    Any time!

  8. anonymous
    • one year ago
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    I said 24 is not up there i see 25.

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spraguer (Moderator)
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