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26 June, 19:39

A survey was done that asked people to indicate whether they run or ride a bike for exercise. Based on the table, what is the percentage of runners who do not bike?

Bike Do not bike

Run. 727.103

Do not run. 121.052

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Answers (1)
  1. 26 June, 19:53
    0
    Note minor mistake in the data.

    All categories are mutually exclusive, so the sum can only have a maximum of 1.00. The given information adds up to 1.003, error will be ignored in the following calculations.

    Extract runners from the table : bike:.727, do not bike. 103

    Therefore

    percentage of runners who do not bike

    = (0.103) / (0.727+0.103)

    = 0.103/0.830

    = 0.124 (to three significant digits)

    = 12.4%
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