Mathematics, 29.10.2019 21:31 jayvon1292
Past experience has indicated that the breaking strength of yarn used in manufacturing drapery material is normally distributed and that σ = 4 psi. a random sample of 8 specimens is tested, and the average breaking strength is found to be 98 psi. find a 95% two-sided confidence interval on the true mean breaking strength. round the answers to 1 decimal place.
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Past experience has indicated that the breaking strength of yarn used in manufacturing drapery mater...
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