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a. Identify the critical value t/2 used for finding the margin of error. (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. (Round to one decimal place as needed.) d. Write a brief statement that interprets the confidence interval. Choose the correct answer below. O A. Approximately 95% of sample mean weights of newborn girls will fall between the lower bound and the upper bound. O B. One has 95% confidence that the sample mean weight of newborn girls is equal to the population mean weight of newborn girls. O c. There is a 95% chance that the true value of the population mean weight of newborn girls will fall between the lower bound and the upper bound. O D. One has 95% confidence that the interval from the lower bound to the upper bound contains the true value of the population mean weight of newborn girls.

a. Identify the critical value t/2 used for finding the margin of error. (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. (Round to one decimal place as needed.) d. Write a brief statement that interprets the confidence interval. Choose the correct answer below. O A. Approximately 95% of sample mean weights of newborn girls will fall between the lower bound and the upper bound. O B. One has 95% confidence that the sample mean weight of newborn girls is equal to the population mean weight of newborn girls. O c. There is a 95% chance that the true value of the population mean weight of newborn girls will fall between the lower bound and the upper bound. O D. One has 95% confidence that the interval from the lower bound to the upper bound contains the true value of the population mean weight of newborn girls.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Here are summary statistics for randomly selected weights of newborn girls: n= 36, x= 3180.6 g, s= 700.5 g. Use a confidence level of 95% to complete parts (a) through (d) below. a. Identify the critical value t/2 used for finding the margin of error. (Round to two decimal places as needed.) b. Find the margin of error. E=O9 (Round to one decimal place as needed.) c. Find the confidence interval estimate of p. (Round to one decimal place as needed.) d. Write a brief statement that interprets the confidence interval. Choose the correct answer below. O A. Approximately 95% of sample mean weights of newborn girls will fall between the lower bound and the upper bound. O B. One has 95% confidence that the sample mean weight of newborn girls is equal to the population mean weight of newborn girls. O C. There is a 95% chance that the true value of the population mean weight of newborn girls will fall between the lower bound and the upper bound. O D. One has 95% confidence that the interval from the lower bound to the upper bound contains the true value of the population mean weight of newborn girls.
Transcribed Image Text:Here are summary statistics for randomly selected weights of newborn girls: n= 36, x= 3180.6 g, s= 700.5 g. Use a confidence level of 95% to complete parts (a) through (d) below. a. Identify the critical value t/2 used for finding the margin of error. (Round to two decimal places as needed.) b. Find the margin of error. E=O9 (Round to one decimal place as needed.) c. Find the confidence interval estimate of p. (Round to one decimal place as needed.) d. Write a brief statement that interprets the confidence interval. Choose the correct answer below. O A. Approximately 95% of sample mean weights of newborn girls will fall between the lower bound and the upper bound. O B. One has 95% confidence that the sample mean weight of newborn girls is equal to the population mean weight of newborn girls. O C. There is a 95% chance that the true value of the population mean weight of newborn girls will fall between the lower bound and the upper bound. O D. One has 95% confidence that the interval from the lower bound to the upper bound contains the true value of the population mean weight of newborn girls.
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