A random sample of 26 items is drawn from a population whose standard deviation is unknown. The sample mean is = 860 anc sample standard deviation is s=20. Use Appendix D to find the values of Student's t (a) Construct an interval estimate of u with 95% confidence. (Round your answers to 3 decimal places.) The 95% confidence interval is from to (b) Construct an interval estimate of u with 95% confidence, assuming that s= 40. (Round your answers to 3 decimal places.) F The 95% confidence interval is from to (c) Construct an interval estimate of u with 95% confidence, assuming that s= 80. (Round your answers to 3 decimal places.) www www. www Next > < Prev 6 of 10

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Transcribed Image Text:X GThe Ball Corporation's beverage X 1217-2 Homework: Chapter 8 (Sectic X ttps://ezto.mheducation.com/ext/map/index.html?_con=con&external_browser=0&launchUrl=https%253A%252F%252Fnewconnect.mheducation.com... A th mework: Chapter 8 (Sections 8.1 and 8.5) i ped bok sk int rences " The 95% confidence interval is from A random sample of 26 items is drawn from a population whose standard deviation is unknown. The sample mean is = 860 and the sample standard deviation is s=20. Use Appendix D to find the values of Student's t (a) Construct an interval estimate of u with 95% confidence. (Round your answers to 3 decimal places.) The 95% confidence interval is from to H (b) Construct an interval estimate of with 95% confidence, assuming that s = 40. (Round your answers to 3 decimal places.) a Saved to Question 6-7-2 Homework: Cha x (c) Construct an interval estimate of u with 95% confidence, assuming that s= 80. (Round your answers to 3 decimal places.) Next > < Prev Help Saw 6 of 10
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