Use the t-distribution to find a confidence interval for a difference in means µ1 – 42 given the relevant sample results. Give the best estimate for u – 42, the margin of error, and the confidence interval. Assume the results come from random samples from populations that are approximately normally distributed. A 99% confidence interval for u - H2 using the sample results I = 532, $1 = 103, n1 = 360 and I = 450, $2 = 89, n2 = 200 Enter the exact answer for the best estimate and round your answers for the margin of error and the confidence interval to two decimal places. Best estimate = i Margin of error = i Confidence interval : i to Save for Later Attempts: 0 of 4 used Submit Answer

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Transcribed Image Text:Done AA assessment.education.wiley.com E aWileyPLUS Assignments Question 3 8/8 14 of 20 - / 4 Multipart v Correct View Policies - / 4 Question 4 Numeric-Maple Current Attempt in Progress Not started Use the t-distribution to find a confidence interval for a Question 5 - / 4 difference in means µj – µz given the relevant sample results. Give the best estimate for µj – µ2, the margin of Numeric-Maple Not started error, and the confidence interval. Assume the results come Question 6 2/2 from random samples from populations that are Numeric-Maple v Correct approximately normally distributed. Question 7 8/8 A 99% confidence interval for u - µz using the sample 103, n1 Multipart v Correct results X1 532, s1 360 and 2 = 450, S2 = 89, n2 = 200 Question 8 5/9 Enter the exact answer for the best estimate and round your Multipart Partially correct answers for the margin of error and the confidence interval to two decimal places. Question 9 5/5 Multipart v Correct Best estimate = Question 10 12 / 12 Multipart v Correct Margin of error = Question 11 -/ 1 Confidence interval : i to Numeric-Maple Not started Question 12 - /2 Numeric-Maple Not started Save for Later Question 13 2/2 Attempts: 0 of 4 used Submit Answer Numeric-Maple v Correct Viewing Question 14 - / 4 Numeric-Maple Not started Question 15 2/2 Numeric-Maple v Correct Question 16 2/2 Numeric-Maple v Correct
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