O Home - » Students B Email - MAT-133-J4773 Intro 8-3 Homework: Chapter 8 (Sec X b My Questions | bartleby х A newconnect.mheducation.com/flow/connect.html O Mountain View Ele. A O Grace Yokley Midd. Imported From IE Illuminate Home Co. Home - » Students Other bookmarks >> 8-3 Homework: Chapter 8 (Sections 8.4 t... 6 Saved Help Save & Exit Submit Check my work A random sample of 26 items is drawn from a population whose standard deviation is unknown. The sample mean is ī = 860 and the sample standard deviation is s = 20. Use Appendix D to find the values of Student's t. points (a) Construct an interval estimate of u with 95% confidence. (Round your answers to 3 decimal places.) eBook The 95% confidence interval is from to Ask (b) Construct an interval estimate of u with 95% confidence, assuming that s = 40. (Round your answers to 3 decimal places.) Print References 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.) Mc Graw Hill < Prev 6 of 10 Next >

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