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On a television show, eight contestants try to lose the highest percentage of weight in order to win a cash prize. As part of the show, the contestants are timed as they run an obstacle course. The table shows the times (in seconds) of the contestants at the beginning of the season and at the end of the season. At a=0.10, is there enough evidence to support the claim that the contestants' times have changed? Assume the samples are random and dependent, and the population is normally distributed. Complete parts (a) through (e) below. Contestant 1 2 3 4 5 Time (beginning) 130.8 132.1 131.7 141.3 126.8 Time (end) 6 7 8 153.5 120.7 154.8 124.7 127.6 127.9 138.8 112.6 150.7 109.4 140.0 (a) Identify the claim and state Ho and H What is the claim? OA. The contestants' times have changed. B. The contestants' times have decreased. OC. The contest increased. OD. The contestants' times have not changed.

On a television show, eight contestants try to lose the highest percentage of weight in order to win a cash prize. As part of the show, the contestants are timed as they run an obstacle course. The table shows the times (in seconds) of the contestants at the beginning of the season and at the end of the season. At a=0.10, is there enough evidence to support the claim that the contestants' times have changed? Assume the samples are random and dependent, and the population is normally distributed. Complete parts (a) through (e) below. Contestant 1 2 3 4 5 Time (beginning) 130.8 132.1 131.7 141.3 126.8 Time (end) 6 7 8 153.5 120.7 154.8 124.7 127.6 127.9 138.8 112.6 150.7 109.4 140.0 (a) Identify the claim and state Ho and H What is the claim? OA. The contestants' times have changed. B. The contestants' times have decreased. OC. The contest increased. OD. The contestants' times have not changed.

MATLAB: An Introduction with Applications
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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On a television show, eight contestants try to lose the highest percentage of weight in order to win a cash prize. As part of the show, the contestants are timed as they run an obstacle course. The table shows the times (in seconds) of the contestants at the beginning of the season and at the end of the season. At a=0.10, is there enough evidence to support the claim that the contestants' times have changed? Assume the samples are random and dependent, and the population is normally distributed. Complete parts (a) through (e) below. Contestant 1 2 3 4 5 6 7 8 Time (beginning) 130.8 132.1 131.7 141.3 126.8 153.5 120.7 Time (end) 154.8 124.7 127.6 127.9 138.8 112.6 150.7 109.4 140.0 (a) Identify the claim and state Ho and Ha What is the claim? OA. The contestants' times have changed. B. The contestants' times have decreased. OC. The contest have increased. OD. The contestants' times have not changed.
Transcribed Image Text:On a television show, eight contestants try to lose the highest percentage of weight in order to win a cash prize. As part of the show, the contestants are timed as they run an obstacle course. The table shows the times (in seconds) of the contestants at the beginning of the season and at the end of the season. At a=0.10, is there enough evidence to support the claim that the contestants' times have changed? Assume the samples are random and dependent, and the population is normally distributed. Complete parts (a) through (e) below. Contestant 1 2 3 4 5 6 7 8 Time (beginning) 130.8 132.1 131.7 141.3 126.8 153.5 120.7 Time (end) 154.8 124.7 127.6 127.9 138.8 112.6 150.7 109.4 140.0 (a) Identify the claim and state Ho and Ha What is the claim? OA. The contestants' times have changed. B. The contestants' times have decreased. OC. The contest have increased. OD. The contestants' times have not changed.
ork nk. rac CUT Let Hd be the hypothesized mean of the difference in the times (beginning-end). What are Ho and H₂? OA. Ho: Mgsd Hai Hoa ở OB. Ho: H0 Hy Hy=0 OD. Ho: H0 OE. Ho: 50 H₁: Pg 20 H₂: Hg #0 (b) Find the critical value(s) and identify the rejection region(s). Select the correct choice below and fill in any answer boxes to complete your choice. (Round to three decimal places as needed.) OA 1< or 1> OB. 1< OC. t> OC. Ho: Hd 20 Hai Hyo OF. Ho: zd H₂: H<d
Transcribed Image Text:ork nk. rac CUT Let Hd be the hypothesized mean of the difference in the times (beginning-end). What are Ho and H₂? OA. Ho: Mgsd Hai Hoa ở OB. Ho: H0 Hy Hy=0 OD. Ho: H0 OE. Ho: 50 H₁: Pg 20 H₂: Hg #0 (b) Find the critical value(s) and identify the rejection region(s). Select the correct choice below and fill in any answer boxes to complete your choice. (Round to three decimal places as needed.) OA 1< or 1> OB. 1< OC. t> OC. Ho: Hd 20 Hai Hyo OF. Ho: zd H₂: H<d
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