Homework: Chapter 6 core: 0 of 1pt 6.2.11 Save 23 of 35 (26 complete) Hw score:

Question

Homework: Chapter 6 core: 0 of 1pt 6.2.11 Save 23 of 35 (26 complete) Hw score: 54.76%, 19.17 of 35 pts Question Help * Construct the indicated confidence interval for the population mean using a t istribution. c:099, x=109, s.10. n=29 The confidence interval is Round to the nearest tenth as needed.) or Enter your answer in the edit fields and then click Check Answer All parts showing tion 24 (1/1) Question 23 (0/1) Question 27 (0/1) Question 22 (0/1) Question 21 (1/1) X Questión 25 (0/1) X Question 26 (0/1)

Explanation / Answer

Solution:- c = 0.99 , X = 109 , s = 10 , n = 29

t - distribution :- df = n-1 = 29 - 1 =28 , t = 2.763

The confidence interval = X +/- t * s/sqrt(n)
= 109 +/- 2.763 * 10/sqrt(29)
= 103.9 , 114.1

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