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    1. A detergent works on 63 out of 100 independent trials. Let pie denote the probability that the detergent works. Calculate the approximate 95% confidence interval for pie.



    Can anyone take me through how I would answer the above question? I'm completely lost.
    Thank you.
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    (Original post by Revise1234)
    1. A detergent works on 63 out of 100 independent trials. Let pie denote the probability that the detergent works. Calculate the approximate 95% confidence interval for pie.



    Can anyone take me through how I would answer the above question? I'm completely lost.
    Thank you.
    this is a confidence interval in proportions

    have you done this material in your course?
 
 
 
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