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13 August, 00:32

The cargo loads that Niels transports in his truck have a mean weight of 42,000 lb with a standard deviation of

1,500 lb.

What will be the mean and standard deviation of the distribution of weights in kilograms?

1 lb approximately equals 0.45 kg.

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Answers (1)
  1. 13 August, 02:20
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    The mean of the distribution of weights is 18,900kg and the standard deviation is 675kg.

    Step-by-step explanation:

    Conversion of units questions are solved using rules of three.

    1 lb approximately equals 0.45 kg.

    Mean:

    1lb - 0.45kg

    42000lb - x kg

    x = 42000*0.45 = 18900 kg.

    Standard deviation:

    1lb - 0.45kg

    1500lb - xkg

    x = 1500*0.45 = 675kg

    The mean of the distribution of weights is 18,900kg and the standard deviation is 675kg.
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