9. Find the following confidence interval critical values. Use the exact value off the table for your answer, SHOW WORK. a. Za/2 for a 74% confidence interval when n = 33. b. a/2 for an 98% confidence interval when n = 11. c. X only for a 99% confidence interval when n = 18. d. X only for a 95% confidence interval when n = 79.
9. Find the following confidence interval critical values. Use the exact value off the table for your answer, SHOW WORK. a. Za/2 for a 74% confidence interval when n = 33. b. a/2 for an 98% confidence interval when n = 11. c. X only for a 99% confidence interval when n = 18. d. X only for a 95% confidence interval when n = 79.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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9 d.
![Find the following confidence interval critical values. Use the exact value off the table for your answer, **SHOW WORK**.
a. \( Z_{\alpha/2} \) for a 74% confidence interval when \( n = 33 \).
[ Box for answer ]
b. \( t_{\alpha/2} \) for an 98% confidence interval when \( n = 11 \).
[ Box for answer ]
c. \( \chi^2_{\text{right}} \) only for a 99% confidence interval when \( n = 18 \).
[ Box for answer ]
d. \( \chi^2_{\text{left}} \) only for a 95% confidence interval when \( n = 79 \).
[ Box for answer ]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2743f58a-999a-485c-8435-d316e3b49890%2Fed3f69ef-f473-44e2-b38b-b6b4b3dfd156%2Fzg90ein_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Find the following confidence interval critical values. Use the exact value off the table for your answer, **SHOW WORK**.
a. \( Z_{\alpha/2} \) for a 74% confidence interval when \( n = 33 \).
[ Box for answer ]
b. \( t_{\alpha/2} \) for an 98% confidence interval when \( n = 11 \).
[ Box for answer ]
c. \( \chi^2_{\text{right}} \) only for a 99% confidence interval when \( n = 18 \).
[ Box for answer ]
d. \( \chi^2_{\text{left}} \) only for a 95% confidence interval when \( n = 79 \).
[ Box for answer ]
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