Chrome File Edit View History Bookmarks People Tab Window Help Wed 10:10 PM Rae Gregory 100% 4 B 8-2 Smart Connect S Connect E Connect M Dsa Stude E Connect appendixo O Adding FIL 5th Annua A https://ezto.mheducation.com/ext/map/index.html?_con=con&external_browser=0&launchUrl=https%253A%252F%252Fnewconnect.mheducati... 3-3 Homework: Chapter 8 (Sections 8.4 through ... Saved Help Save & Exit Su You received partial credit in the previous attempt. Check my work View previous at A random sample of 15 items is drawn from a population whose standard deviation is unknown. The sample mean is x = 760 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 99% confidence. (Round your answers to 3 decimal places.) The 99% confidence interval is from to (b) Construct an interval estimate of u with 99% confidence, assuming that s = 40. (Round your answers to 3 decimal places.) The 99% confidence interval is from to (c) Construct an interval estimate of u with 99% confidence, assuming that s= 80. (Round your answers to 3 decimal places.) The 99% confidence interval is from to (d) Describe how the confidence interval changes as s increases.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Wed 10:10 PM Rae Gregory
100% 4
B 8-2 Smart
Connect
S Connect
E Connect
M Dsa Stude
E Connect
appendixo
O Adding FIL
5th Annua
A https://ezto.mheducation.com/ext/map/index.html?_con=con&external_browser=0&launchUrl=https%253A%252F%252Fnewconnect.mheducati...
3-3 Homework: Chapter 8 (Sections 8.4 through ...
Saved
Help
Save & Exit
Su
You received partial credit in the previous attempt.
Check my work
View previous at
A random sample of 15 items is drawn from a population whose standard deviation is unknown. The sample mean is x = 760 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 99% confidence. (Round your answers to 3 decimal places.)
The 99% confidence interval is from
to
(b) Construct an interval estimate of u with 99% confidence, assuming that s = 40. (Round your answers to 3 decimal places.)
The 99% confidence interval is from
to
(c) Construct an interval estimate of u with 99% confidence, assuming that s= 80. (Round your answers to 3 decimal places.)
The 99% confidence interval is from
to
(d) Describe how the confidence interval changes as s increases.
Transcribed Image Text:Chrome File Edit View History Bookmarks People Tab Window Help Wed 10:10 PM Rae Gregory 100% 4 B 8-2 Smart Connect S Connect E Connect M Dsa Stude E Connect appendixo O Adding FIL 5th Annua A https://ezto.mheducation.com/ext/map/index.html?_con=con&external_browser=0&launchUrl=https%253A%252F%252Fnewconnect.mheducati... 3-3 Homework: Chapter 8 (Sections 8.4 through ... Saved Help Save & Exit Su You received partial credit in the previous attempt. Check my work View previous at A random sample of 15 items is drawn from a population whose standard deviation is unknown. The sample mean is x = 760 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 99% confidence. (Round your answers to 3 decimal places.) The 99% confidence interval is from to (b) Construct an interval estimate of u with 99% confidence, assuming that s = 40. (Round your answers to 3 decimal places.) The 99% confidence interval is from to (c) Construct an interval estimate of u with 99% confidence, assuming that s= 80. (Round your answers to 3 decimal places.) The 99% confidence interval is from to (d) Describe how the confidence interval changes as s increases.
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