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4/2=0 (Round to two decimal places as needed.) b. Find the margin of error. E-9 (Round to one decimal place as needed.) c. Find the confidence interval estimate of u. <μ< (Round to one decimal place as needed.)

4/2=0 (Round to two decimal places as needed.) b. Find the margin of error. E-9 (Round to one decimal place as needed.) c. Find the confidence interval estimate of u. <μ< (Round to one decimal place as needed.)

Mathematics For Machine Technology
Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter29: Tolerance, Clearance, And Interference
Section: Chapter Questions
Problem 16A: Spacers are manufactured to the mean dimension and tolerance shown in Figure 29-12. An inspector...
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uf 10 a. Identify the critical value a/2 used for finding the margin of error 1/2-0 (Round to two decimal places as needed.) b. Find the margin of error E-9 (Round to one decimal place as needed.) c. Find the confidence interval estimate of µ. << (Round to one decimal place as needed.) d. Write a brief statement that interprets the confidence interval. Choose the correct answer below. OA. There is a 99% chance that the true value of the population mean weight of newborn girls will fall between the lower bound and the upper bound. B. One has 99% confidence that the interval from the lower bound to the upper bound contains the true value of the population mean weight of newborn girls. OC. One has 99% confidence that the sample mean weight of newborn girls is equal to the population mean weight of newborn girls. OD. Approximately 99% of sample mean weights of newborn girls will fall between the lower bound and the upper bound.
Transcribed Image Text:uf 10 a. Identify the critical value a/2 used for finding the margin of error 1/2-0 (Round to two decimal places as needed.) b. Find the margin of error E-9 (Round to one decimal place as needed.) c. Find the confidence interval estimate of µ. << (Round to one decimal place as needed.) d. Write a brief statement that interprets the confidence interval. Choose the correct answer below. OA. There is a 99% chance that the true value of the population mean weight of newborn girls will fall between the lower bound and the upper bound. B. One has 99% confidence that the interval from the lower bound to the upper bound contains the true value of the population mean weight of newborn girls. OC. One has 99% confidence that the sample mean weight of newborn girls is equal to the population mean weight of newborn girls. OD. Approximately 99% of sample mean weights of newborn girls will fall between the lower bound and the upper bound.
Here are summary statistics for randomly selected weights of newborn girls: n = 36, x=3211.1 g, s= 689.4 g. Use a confidence level of 90% to complete parts (a) through (d) below.
Transcribed Image Text:Here are summary statistics for randomly selected weights of newborn girls: n = 36, x=3211.1 g, s= 689.4 g. Use a confidence level of 90% to complete parts (a) through (d) below.
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