patch 119398 x 121 8-3 Homework: Chapter 8 (Sectic x Question 6 - 8-3 Homework: Cha X + ezto.mheducation.com/ext/map/index.html?_con=con&external_browser=0&launchUrl=https%253A%252F%252Fnewconnect.mheducation.com%252F#/activity/q... [ x 8-3 Homework: Chapter 8 (Sections 8.1 through 8.5) i Saved Help Save & Exit Submit Check my work 6 A random sample of 21 items is drawn from a population whose standard deviation is unknown. The sample mean is a = 750 and the sample standard deviation is s= 10. Use Appendix D to find the values of Student's t. 5 (a) Construct an interval estimate of / with 98% confidence. (Round your answers to 3 decimal places.) points The 98% confidence interval is from to e Book Ask Print References (b) Construct an interval estimate of / with 98% confidence, assuming that s = 20. (Round your answers to 3 decimal places.) The 98% confidence interval is from to (c) Construct an interval estimate of / with 98% confidence, assuming that's = 40. (Round your answers to 3 decimal places.) Hill 6:32 PM O 63OF Clear ~ 9 1 42 Type here to search 2/24/2022 DELL Insert Pr F1 BIG F2 F7 F3 F6 F84 F9 /1 F10 Backspace S 8 2 3 4 5 7 W E R Y O Enter S D F G H K B N M Shift X. Alt Alt Ctrl