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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=0.01, 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 Time (beginning) Time (end) 1 2 127 8 139.2 116.5 108.4 107.5 142.5 106.9 1237 127.6 139.4 116.2 107.9 107.4 142.9 106.6 1235 4. OD. Ho: H0 E. Ho: 0 OF. H: y sd (b) Find the critical value(s) and identify the rejection region(s). Select the comrect choice below and fill in any answer boxes to complete your choice. (Round to three decimal places as needed.) OA t> B. t<-3.500 ort> 3.500 OC. t< (c) Calculate d and d- 0.125 (Round to three decimal places as needed.) Caloulate - (Round to three decimal places as needed.)

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=0.01, 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 Time (beginning) Time (end) 1 2 127 8 139.2 116.5 108.4 107.5 142.5 106.9 1237 127.6 139.4 116.2 107.9 107.4 142.9 106.6 1235 4. OD. Ho: H0 E. Ho: 0 OF. H: y sd (b) Find the critical value(s) and identify the rejection region(s). Select the comrect choice below and fill in any answer boxes to complete your choice. (Round to three decimal places as needed.) OA t> B. t<-3.500 ort> 3.500 OC. t< (c) Calculate d and d- 0.125 (Round to three decimal places as needed.) Caloulate - (Round to three decimal places as needed.)

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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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=0.01, 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 Time (beginning) Time (end) 1 2 4 5. 127.8 139.2 116.5 108.4 107.5 142.5 106.9 123.7 | 127.6 139.4 116.2 107.9 107.4 142.9 106.6 123,5 H Hg>0 VE. Họ: Ho =0 OD. Hg: Ha*0 OF. Ho: H sa (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 t> B. t<-3.500 or t> 3.500 O C. t< (c) Calculate d and s d- 0.125 (Round to three decimal places as needed.) Calculate s S (Round three decimal places as needed.)
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=0.01, 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 Time (beginning) Time (end) 1 2 4 5. 127.8 139.2 116.5 108.4 107.5 142.5 106.9 123.7 | 127.6 139.4 116.2 107.9 107.4 142.9 106.6 123,5 H Hg>0 VE. Họ: Ho =0 OD. Hg: Ha*0 OF. Ho: H sa (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 t> B. t<-3.500 or t> 3.500 O C. t< (c) Calculate d and s d- 0.125 (Round to three decimal places as needed.) Calculate s S (Round three decimal places as needed.)
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