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13 January, 04:46

In a recent survey, a random sample of 199 office managers were asked about overtime, and 76 reported that they regularly work overtime each week. What value of z should be used to calculate a confidence interval with a 98% confidence level

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  1. 13 January, 05:42
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    2.326

    Step-by-step explanation:

    They are only asking which z-score should you use. To determine find the confidence interval which is 98% or. 98.

    Subtract this number by 1 and divide by 2.

    1-.98=.02/2=.01

    Find the correlating z-score for z. 01 on the z-score chart which is 2.326
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