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12 April, 10:29

In a sampling application to determine the average weight of students enrolled in a fitness class, if the sample estimate is 120 pounds, the precision is 10 pounds, and the reliability is 90 percent, which of the following statements is true?

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  1. 12 April, 13:08
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    There is a 90 percent tendency that the average weight of a student in the class falls with 110 and 130 pounds.

    Explanation:

    Since precision rate is 10 pounds with a reliable accuracy rate of 90 percent. Then it will be a plus or minus 10 considering a sample estimate of 120 = plus or minus (120+10 or 120-10).
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