t.aspx?testId=257699721¢erwin=yes er 2024 7,8 Dary branch 17 Men's Member Guest 20-21 Men's Stroke Play Championship 24 Men's Golf League 27 Pool Opening Dar Peter Schwarz 04/17/24 7:28 AM Question 4 of 20 This test: 20 point(s) possible This question: 1 point(s) possible Submit test A clinical trial was conducted to test the effectiveness of a drug used for treating insomnia in older subjects. After treatment with the drug, 20 subjects had a mean wake time of 98.9 min and a standard deviation of 40.2 min. Assume that the 20 sample values appear to be from a normally distributed population and construct a 98% is effective? confidence interval estimate of the standard deviation of the wake times for a population with the drug treatments. Does the result indicate whether the treatment Find the confidence interval estimate. min <σ< min (Round to two decimal places as needed.) Does the result indicate whether the treatment is effective? A. Yes, the confidence interval indicates that the treatment is not effective because the interval does not contain 98.9 minutes. OB. Yes, the confidence interval indicates that the treatment is not effective because the interval contains 0 minutes. OC. Yes, the confidence interval indicates that the treatment is not effective because the interval does not contain 0 minutes. OD. Yes, the confidence interval indicates that the treatment is effective because the interval does not contain 98.9 minutes. OE. Yes, the confidence interval indicates that the treatment is effective because the interval contains 0 minutes. OF. No, the confidence interval does not indicate whether the treatment is effective. OG. Yes, the confidence interval indicates that the treatment is effective because the interval does not contain 0 minutes. earch E DELL CHROME S WARBIRD 12 Trump National LOS ANGELES әре Time Remaining: 02:48:19 Next 50°F Mostly sunny 4) 7:28 AM 4/17/2024 5 8

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