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During the independent research 90 women were chosen to measure their weight. The mean value of weight is 66 kg and it is known from the previous experience that the weight is normally distributed with o = 10 kg. a) Find a 95% two-sided confidence interval on the mean weight. Round your answers to two decimal places (e.g. 98.76). i eTextbook and Media i b) Find a 90% two-sided confidence interval on the mean weight. Round your answers to two decimal places (e.g. 98.76). e Textbook and Media SUM c) Which interval is wider? i sus O 90% two-sided confidence interval is wider than 95% two-sided confidence interval. O 95% two-sided confidence interval is wider than 90% two-sided confidence interval.

During the independent research 90 women were chosen to measure their weight. The mean value of weight is 66 kg and it is known from the previous experience that the weight is normally distributed with o = 10 kg. a) Find a 95% two-sided confidence interval on the mean weight. Round your answers to two decimal places (e.g. 98.76). i eTextbook and Media i b) Find a 90% two-sided confidence interval on the mean weight. Round your answers to two decimal places (e.g. 98.76). e Textbook and Media SUM c) Which interval is wider? i sus O 90% two-sided confidence interval is wider than 95% two-sided confidence interval. O 95% two-sided confidence interval is wider than 90% two-sided confidence interval.

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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During the independent research 90 women were chosen to measure their weight. The mean value of weight is 66 kg and it is known from the previous experience that the weight is normally distributed with o = 10 kg. a) Find a 95% two-sided confidence interval on the mean weight. Round your answers to two decimal places (e.g. 98.76). i eTextbook and Media b) Find a 90% two-sided confidence interval on the mean weight. Round your answers to two decimal places (e.g. 98.76). i eTextbook and Media i c) Which interval is wider? ≤u≤ i O 90% two-sided confidence interval is wider than 95% two-sided confidence interval. O 95% two-sided confidence interval is wider than 90% two-sided confidence interval.
Transcribed Image Text:During the independent research 90 women were chosen to measure their weight. The mean value of weight is 66 kg and it is known from the previous experience that the weight is normally distributed with o = 10 kg. a) Find a 95% two-sided confidence interval on the mean weight. Round your answers to two decimal places (e.g. 98.76). i eTextbook and Media b) Find a 90% two-sided confidence interval on the mean weight. Round your answers to two decimal places (e.g. 98.76). i eTextbook and Media i c) Which interval is wider? ≤u≤ i O 90% two-sided confidence interval is wider than 95% two-sided confidence interval. O 95% two-sided confidence interval is wider than 90% two-sided confidence interval.
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