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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 99% to complete parts (a) through (d) below.

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 99% to complete parts (a) through (d) below.

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 99% to complete parts (a) through (d) below. (Round to two decimal places as needed.)
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 99% to complete parts (a) through (d) below. (Round to two decimal places as needed.)
a. Identify the critical value to/2 used for finding the margin of error. tx/2 = (Round to two decimal places as needed.) b. Find the margin of error. E= g (Round to one decimal place as needed.) c. Find the confidence interval estimate of μ. g<μ<9 (Round to one decimal place as needed.) d. Write a brief statement that interprets the confidence interval. Choose the correct answer below. O A. One has 99% confidence that the sample mean weight of newborn girls is equal to the population mean weight of newborn girls
Transcribed Image Text:a. Identify the critical value to/2 used for finding the margin of error. tx/2 = (Round to two decimal places as needed.) b. Find the margin of error. E= g (Round to one decimal place as needed.) c. Find the confidence interval estimate of μ. g<μ<9 (Round to one decimal place as needed.) d. Write a brief statement that interprets the confidence interval. Choose the correct answer below. O A. One has 99% confidence that the sample mean weight of newborn girls is equal to the population mean weight of newborn girls
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