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    95% Confidence Interval

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    Find the 95% confidence interval for the average time spent waiting for a prescription to be filled at Rex's Rx Center if a random sample of 64 customers showed an average waiting time of 12.3 minutes with a standard deviation of 5.0 minutes.

    Please show all work and give a detailed explanation of answer. Thank you.

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    N=64
    M=12.3
    SD=5.0
    Then standard error = SD/SQRT(N)= 5/SQRT(64)=0.625
    For 95% ...

    Solution Summary

    Find the 95% confidence interval for the average time spent waiting for a prescription to be filled at Rex's Rx Center if a random sample of 64 customers showed an average waiting time of 12.3 minutes with a standard deviation of 5.0 minutes.

    Please show all work and give a detailed explanation of answer. Thank you.

    $2.49

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