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HW Score: 74.44%, 14.14 of 19 Homework: Sec 7.2 Question 14, 7.2.39-T Part 5 of 5 points Points: 0.16 of 1 Save A fast food
HW Score: 74.44%, 14.14 of 19 Homework: Sec 7.2 Question 14, 7.2.39-T Part 5 of 5 points Points: 0.16 of 1 Save A fast food restaurant estimates that the mean sodium content in one of its breakfast sandwiches is no more than 910 Question list K milligrams. A random sample of 40 breakfast sandwiches has a mean sodium content of 901 milligrams. Assume the population standard deviation is 24 milligrams. At a = 0.05, do you have enough evidence to reject the restaurant's claim? Complete parts (a) through (e). Question 8 ( USE a WillIlla IN ocalait allowVGIs as IICGuGu. I\\UIlu LU LVVU UGUIIIIal PIQUES as ICGuGu.) Identify the rejection region(s). Select the correct choice below. Question 9 A. The rejection region is z > 1.64. X B. The rejection regions are z > 1.64 and z 1.960. '2, Question 1 0 ' Reject Ho because - 1.960 1.960. 0 Question 11 _ . Fall to reject Ho because - 1.960 24 Ha:p>24 Ha:p>24 (claim) x . K, QueStlon 9 H0: p 24 (claim) x . [I QUGSt'O\" 10 (b) Find the critical value and identify the rejection region. 20 = 2.05 (Round to two decimal places as needed.) 0 Question 11 Rejection region:z > 2.05 (c) Find the standardized test statistic. 0 Question 12 z = D (Round to two decimal places as needed.) 7' Question 13 Help me solve this View an example Get more help A Clear all Homework: Sec 6.4 Question 8, 6.4.14-T HW Score: 72.5%, 13.78 of 19 O Part 2 of 4 points Points: 0.14 of 1 Save Question list K You randomly select and measure the contents of 10 bottles of cough 4.214 4.295 4.253 4.244 4.185 syrup. The results (in fluid ounces) are shown to the right. 4.251 4.265 4.242 4.224 4.237 Assume the sample is taken from a normally distributed population. Construct 98% confidence intervals for (a) the population variance of and (b) the population standard deviation o. Interpret the results. Question 2 Question 3 (a) The confidence interval for the population variance is ( 0.000365 , 0.003791 ). (Round to six decimal places as needed.) Interpret the results. Select the correct choice below and fill in the answer box(es) to complete your choice. Question 4 (Round to six decimal place as needed.) O A. With 98% confidence, it can be said that the O B. With 98% confidence, it can be said that the population variance is greater than O Question 5 population variance is between and. O C. With 2% confidence, it can be said that the O D. With 2% confidence, it can be said that the population variance is less than population variance is between and Question 6 Question 7 Question 8 Help me solve this View an example Get more help - Clear all Check
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