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28 April, 16:39

Which model represents a percent error of 25%? A model with 12 squares labeled exact value and 3 squares labeled error. A model with 10 squares labeled exact value and 5 squares labeled error. A model with 9 squares labeled exact value and 3 squares labeled error. A model with 8 squares labeled exact value and 4 squares labeled error.

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  1. 28 April, 17:08
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    A model with 12 squares labeled exact value and 3 squares labeled error.

    Step-by-step explanation:

    The proportion of error is the number of errors divided by the number of trials. The percentage is the proportion multiplied by 100.

    A model with 12 squares labeled exact value and 3 squares labeled error.

    3/12 = 0.25

    0.25*100 = 25%

    This is the answer.

    A model with 10 squares labeled exact value and 5 squares labeled error.

    5/10 = 0.5

    0.5*100 = 50%

    A model with 9 squares labeled exact value and 3 squares labeled error.

    3/9 = 0.3333

    0.3333*100 = 33.33%

    A model with 8 squares labeled exact value and 4 squares labeled error.

    4/8 = 0.5

    0.5*100 = 50%
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