=+20 condoms of one particular type resulted in a sample mean number of 1584 and a sample

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=+20 condoms of one particular type resulted in a sample mean number of 1584 and a sample standard deviation of 607. Calculate and interpret a confidence interval at the 99% confidence level for the true average number of cycles to break.

(Note: The article presented the results of hypothesis tests based on the t distribution; the validity of these depends on assuming normal population distributions.)

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Applied Statistics For Engineers And Scientists

ISBN: 9781133111368

3rd Edition

Authors: Jay L. Devore, Nicholas R. Farnum, Jimmy A. Doi

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