=+99%, and 90%. The higher the confidence level, the more strongly we believe that the value of

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=+99%, and 90%. The higher the confidence level, the more strongly we believe that the value of the parameter being estimated lies within the interval.

Information about the precision of an interval estimate is conveyed by the width of the interval. If the confidence level is high and the resulting interval is quite narrow, our minimum sample size n that satisfies this requirement.

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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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