Spuds-R-Us makes potato chips. A typical size is the 16-ounce bag of chips. A paid sampler went to various stores and picked bags of chips packaged on various days. She got 76 bags of chips. The average weight of the bags is 15.85 ounces with a standard deviation of 1.2 ounces. a) Is there evidence the company is under filling the bags of chips? State the null and alternative hypothesis. Give the test statistic and the p-value. What is your decision at the significance level 5%? Write a conclusion. b) Construct and Interpret an 95% confidence interval for the average weight of bags.

Spuds-R-Us makes potato chips. A typical size is the 16-ounce bag of chips. A paid sampler went to various stores and picked bags of chips packaged on various days. She got 76 bags of chips. The average weight of the bags is 15.85 ounces with a standard deviation of 1.2 ounces. a) Is there evidence the company is under filling the bags of chips? State the null and alternative hypothesis. Give the test statistic and the p-value. What is your decision at the significance level 5%? Write a conclusion. b) Construct and Interpret an 95% confidence interval for the average weight of bags.

Algebra: Structure And Method, Book 1

(REV)00th Edition

ISBN:9780395977224

Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Chapter2: Working With Real Numbers

Section2.3: Rules For Addition

Problem 7P

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