Question: Remaining Time: 23 minutes, 52 seconds. a Question Completion Status: 12 20 31 40 5 6 7 8 9 104 11 12 13 14 156




Remaining Time: 23 minutes, 52 seconds. a Question Completion Status: 12 20 31 40 5 6 7 8 9 104 11 12 13 14 156 165 17 18 QUESTION 1 A fitness magazine reports that the average time spent on a workout is 45 minutes, Do beginners and advanced athletes differ in the amount of time they spend on their workouts? The average time in a sample survey of 50 beginner athletes was 52.3 minutes, and the average time in a sample survey of 40 advanced athletes was 35.9 minutes, Based on past surveys, the standard deviation for beginner athletes is assumed to be 8 minutes, and the standard deviation for advanced athletes is assumed to be 6 minutes. What is the point estimate (In minutes] of the difference between the population mean workout time for beginners and the population mean workout time for advanced athletes?' (Use beginner - advanced.) None of the other answers Q -13.40 Click Save and Submit to save and submit. Click Save All Answers to save all answers. Save All Arnivera Save and SubmitA Black bowl Remaining Time: 23 minutes, 37 seconds. Question Completion Status: 10 20 3 4 5 6 7 8 9 10 11 12 13 14 150 160 17 18 What is the point estimate (in minutes) of the difference between the population mean workout time for beginners and the population mean workout time for advanced athletes? (Use beginner - advanced.) O None of the other answers O -13.40 O 13.32 O 1357 O 13.59 13.40 Care All Ancient Saw and Submit Click Save and Submit to save and submit. Click Save All Answers to save all answers.Remaining Time: 23 minutes, 24 seconds. Question Completion Status: 5 6 7 90 10 11 12 13 14 150 17 18 QUESTION 2 At 99% confidence, what is the margin of error (in minutes)? (Round to two decimal places.) O None of the other answers O 0.00 O 2.07 O 1.48 O 12.61 O 3.80 Save Al Click Save and Submit to save and submit. Click Save All Answers to save all answers.Remaining Time: 23 minutes, 08 seconds, a Question Completion Status: 5 6 7 106 11 12 13 14 17 18 Develop a 99%% confidence interval (in minutes) for the difference between the two population means. (Use beginner - advanced. Round your answer to two decimal places.) None of the other answers O (11.92. '14.88) (0.00', '0,007 O (9.60. '17.20") O (0.59', '23.609) O [-8.24, '-1.259 Click Save and Submit to save and submit. Click Save All Answers to save all answers. Save All Answers 5 6 7 B
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