Answered: Find the confidence level and α for an…

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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Janet wants to estimate the percentage of people who have been required to take a drug test for work. She surveys 250 individuals and finds that 175 have taken a drug test for work. Identify the values needed to calculate a confidence interval at the 98% confidence level. Then use Excel to find the confidence interval. Round the final answer to three decimal places. Provide your answer below:
Use the confidence interval to find the margin of error and the sample mean. (0.346,0.450) The margin of error is The sample mean is 9 五 0 SF10
Use the confidence interval to find the margin of error and the sample mean. (1.77, 2.01) The margin of error is
Use the confidence interval to find the estimated margin of error. Then find the sample mean. A biologist reports a confidence interval of (1.9.3.1) when estimating the mean height (in centimeters) of a sample of seedlings. The estimated margin of error is The sample mean is
Use the confidence interval to find the estimated margin of error. Then find the sample mean. A biologist reports a confidence interval of (3.6,4.8) when estimating the mean height (in centimeters) of a sample of seedlings. What is the estimated margin of error?
Use the confidence interval to find the estimated margin of error. Then find the sample mean. A biologist reports a confidence interval of (4.0,4.8) when estimating the mean height (in centimeters) of a sample of seedlings. The estimated margin of error is
Use the confidence interval to find the margin of error and the sample mean. (0.196,0.300) The margin of error is
Use the accompanying Grade Point Averages data to find 80%, 85%, and 99% confidence intervals for the mean GPA Click the icon to view the Grade Point Averages data. www An 80% confidence interval for the mean GPA is (Use ascending order. Round to two decimal places as needed.) Gender Female Female Female Female Male Female Female Female Female Female Female Female Female Male Male Female Male Female Male Female Female Female Female Female Female Female Male Female Female Male Collage Nursing Nursing Arts and Sciences Arts and Sciences Engineering Nursing Nursing Education Arts and Scances Nursing Arts and Sciences Nursing Health Science Business Business Nursing Education Education Engineering Arts and Sciences Health Science Business Health Science Nursing Engineering Education Engineering Education Nursing Engineering GPA 3.20 3.26 3.13 3,61 3.00 3.67 3.36 3.45 3.50 3.20 2.68 3.40 3.76 3.74 3.75 3.48 2.92 3.80 3.51 3.72 3.28 3.26 3.70 3.40 3,17 3.44 3.87 3.29 3.25 3.72
Use the confidence interval to find the estimated margin of error. Then find the sample mean. A biologist reports a confidence interval of (3.9,5.5) when estimating the mean height (in centimeters) of a sample of seedlings. Question content area bottom Part 1 The estimated margin of error is enter your response here .
Using the t-table , give the confidence coefficients . a.n=12,95% confidence b.n=15,95% confidence
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Use the confidence interval to find the estimated margin of error. Then find the sample mean. A biologist reports a confidence interval of (2.8,4.6) when estimating the mean height (in centimeters) of a sample of seedlings. The estimated margin of error is The sample mean is

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Find the confidence level and α for an 86​% confidence interval. What is the confidence​ level? Determine the value of α.

Find the confidence level and α for an 86% confidence interval. What is the confidence level? Determine the value of α.