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26 October, 09:47

Your first big job after graduating from college involves investigating claims of workplace bullying. Staff workers in your department process an average of 75 cases per year, with a standard deviation of 11; the distribution of these cases is normal. What percentage of workers would you expect to process more than 86 cases per year?

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  1. 26 October, 10:13
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    (86-75) = 11

    now 11/75=0.147

    hence 0.147 x 100 = 14.7%.

    therefore the percentage of workers needed to produce 86 cases is 14.7%

    Step-by-step explanation:

    step 1: We subtract the averages.

    step 2: we devide the result in step one by the old average.

    step 3: we multiply the result in step 2 by 100%.
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