KAssume that population proportion is to be estimated from the sample described. Use the sample results to approximate the margin of error and 95% confidence interval.Sample size, n=535; sample proportion, p = 0.4The margin of error is 0415.(Round to four decimal places as needed.)Find the 95% confidence interval.0

Given that n = 535 , p^ = 0.4 95% confidence interval

Answered: K Assume that population proportion is…

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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Use technology to construct the confidence intervals for the population variance of and the population standard deviation o. Assume the sample is taken from a normally distributed population. c=0.95, s=37, n= 18 The confidence interval for the population variance is (770 86, 3076.74). (Round to two decimal places as needed.) .... The confidence interval for the population standard deviation is (Round to two decimal places as needed.) More Help me solve this View an example Get more help- Clear all 55°F AO Type here to search 99+ Lenovo AL BTY 10/05/17 Insert Delete PrtSc F11 F12 F9 F10 C F5 F7 F8 F6 F4 F3 Esc F1 F2 Bac @ 23 7 6- 3 4 5 团 %24
Use the confidence interval to find the estimated margin of error. Then find the sample mean. A biologist reports a confidence interval of (4.2,5.4) when estimating the mean height (in centimeters) of a sample of seedlings. The estimated margin of error is The sample mean is Search 6 17 + & 87 lyn 8 9 DYWAN DDI 8 0 0 0
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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
A sample mean, sample size, population standard deviation, and confidence level are provided. Use this information to complete parts (a) through (c) below. x=35, n=27, σ=5 confidence level=90% a. Use the one-mean z-interval procedure to find a confidence interval for the mean of the population from which the sample was drawn. The confidence interval is from _______ to _________. (Type integers or decimals rounded to one decimal place as needed.) b. Obtain the margin of error by taking half the length of the confidence interval. What is the length of the confidence interval? ____________ (Type an integer or decimal rounded to one decimal place as needed.) c. Obtain the margin of error by using the formula E=zα2•σn. Identify the critical value. zα2=____________ (Type an integer or decimal rounded to two decimal places as needed.) What is the margin of error obtained using the methods of parts (b) and(c)? _________ (Type an integer or decimal…
Pls help ASAP. Pls show all work. Pls do both of the asked questions pls i BEG.
Use the confidence interval to find the margin of error and the sample mean. (1.53,1.91) The margin of error is. (Round to two decimal places as needed.) The sample mean is (Type an integer or a decimal.) ts
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Use the confidence interval to find the margin of error and the sample mean. (1.62,1.90) The margin of error is (Round to two decimal places as needed.) The sample mean is
If n=400 and X=80, construct a 90% confidence interval estimate for the population proportion. ______≤π≤_____ (Round to four decimal places as needed
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Q24 Shamma computed a confidence interval for the mean pH level of bottled water in UAE based on a sample of 50 bottles. She forgot the confidence level she used but still remembers that the critical value she used was 2.861. Which confidence level has Shamma used? 99.6% 95% 90% 99%

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