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Ans: 3 lbs

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b. Determine a 95 percent confidence interval for the population mean

x-bar = 3.01

E = (invT0.975 with df = 35)*(0.03/sqrt(36)) = 2.0301*0.005 = 0.0102

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95% CI: 3.01-0.0102 < u < 3.01+0,0102

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Q: A state meat inspector in Iowa has been given the assignment of estimating the mean net weight of packages of ground chuck labeled 3 pounds. What is the estimated population mean?
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