Home X D2L Homepage - Southern New Ham x Question 6 - 8-3 Homework: Cha X Course Hero X + X C A ezto.mheducation.com/ext/map/index.html?_con=con&external_browser=0&launchUrl=https%253%252F%252Fnewconnect.mheducation.com%252F#/activity/question-group/kEZASsBkEP... L M Gmail YouTube e Maps New Tab Mysnhu D2L Brightspace Math Final Project... English Reading - T... 8-3 Homework: Chapter 8 (Sections 8.1 through 8.5) Saved Help Save & Exit Submit Check my work 6 A random sample of 28 items is drawn from a population whose standard deviation is unknown. The sample mean is @ = 790 and the sample standard deviation is s = 15. Use Appendix D to find the values of Student's t. (a) Construct an interval estimate of / with 99% confidence. (Round your answers to 3 decimal places.) 5 points The 99% confidence interval is from to Skipped eBook Ask Print (b) Construct an interval estimate of / with 99% confidence, assuming that s = 30. (Round your answers to 3 decimal places.) References The 99% confidence interval is from to (c) Construct an interval estimate of / with 99% confidence, assuming that s = 60. (Round your answers to 3 decimal places.) The 99% confidence interval is from to Mc Graw Hill BO F 1:13 PM Partly sunny 4/24/2022 1Home X D2L Homepage - Southern New Ham x Question 6 - 8-3 Homework: Cha X Course Hero X + X C A ezto.mheducation.com/ext/map/index.html?_con=con&external_browser=0&launchUrl=https%253A%252F%252Fnewconnect.mheducation.com%252F#/activity/question-group/kEZASsBkEP... L M Gmail YouTube e Maps New Tab Mysnhu D2L Brightspace Math Final Project... English Reading - T... 8-3 Homework: Chapter 8 (Sections 8.1 through 8.5) i Saved Help Save & Exit Submit Check my work 6 (b) Construct an interval estimate of / with 99% confidence, assuming that s = 30. (Round your answers to 3 decimal places.) The 99% confidence interval is from to 5 points Skipped eBook (c) Construct an interval estimate of / with 99% confidence, assuming that s = 60. (Round your answers to 3 decimal places.) Ask The 99% confidence interval is from to Print References (d) Describe how the confidence interval changes as s increases. The interval stays the same as s increases. The interval gets wider as s increases. O The interval gets narrower as s increases. Mc Graw Hill BO F 1:13 PM Partly sunny 4/24/2022 1