Answer the last part The 90% confidence interval is(125.74,134.26)The 95% confidence interval is(124.93,135.07) Construct a 95% confidence interval for the population mean.The 95% confidence interval is (124.93, 135.07 ).(Round to two decimal places as needed.)Interpret the results. Choose the correct answer below.O A. With 90% confidence, it can be said that the sample mean price lies in the first interval. With 95%confidence, it can be said that the sample mean price lies in the second interval. The 95% confidenceinterval is wider than the 90%.O B. With 90% confidence, it can be said that the population mean price lies in the first interval. With 95%confidence, it can be said that the population mean price lies in the second interval. The 95% confidenceinterval is narrower than the 90%.O C. With 90% confidence, it can be said that the population mean price lies in the first interval. With 95%confidence, it can be said that the population mean price lies in the second interval. The 95% confidenceinterval is wider than the 90%.n exampleGet more help -Clear allFinal check

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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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Using the t-table, give the confidence coefficient. n=12 , CL = 95%
Educational Television In a random sample of 190 people, 151 said that they watched educational television. Find the 90% confidence interval of the true proportion of people who watched educational television. Round the answers to at least three decimal places.
Answer the 3 questions only thannk you
Please give a detailed explanation, not just the answer. Thanks in advance! A new fertilizer was applied to the soil of 167 bean plants. 56% showed increased growth. Find the margin of error and a 95% confidence interval for the percentage of all bean plants which show increased growth after application of the fertilizer. Round all answers to 2 decimal places. Margin of Error (as a percentage): ______________Confidence Interval: ______ % to _______ %
Identify a question you would like to answer using statistics which may be answered using a confidence interval in plain English. Example: What is the average GPA of an incoming student at MC Identify the parameter related to your question and its symbol and its name. Example: m, mean identify the statistic related to your question and its symbol Example: x(bar), sample mean List your data(try to get at least 10 in your sample). Example: 3.28, 2.41, 3.64, 1.28,3.56, 2.57, 3.10,2.94, 2.45, 3.16, 2.45 Describe your population of inteeest. Example: All students at MC Describe your sample. Example: 11 Studens in my statistics class Comment on how you obtained your sample Example: Conducted an email survey of the students in my statistics class Comment on the bias in your sample Example; This sample is biased since it is only people in math 117, who need certain perquisites to take the course, this underrepresents students without the…
Math 310-Assignment 3- Question * Among various ethnic groups, we want to construct a 95% confidence interval for the mean height of male Swedes. 25 males Swedes are surveyed. The sample mean is 71 inches. The sample standard deviation is 2.8 inches. Assuming normality of height of male Swedes, the 95% confidence interval for the mean height is: O [69.8441, 72.1558] [68.111, 72.732] [68.764, 72.866] O [69.001, 72.426] Question
Commuters A recent random survey of 105 individuals in Michigan found that 80 drove to work alone. A similar survey of 100 commuters in New York found that 56 drivers drove alone to work. Find the 95% confidence interval for the difference in proportions. Use p1 for the proportion of Michigan drivers who drive alone to work. Round your answers to three decimal places. <p1-p2<
Educational Television In a random sample of 205 people, 14 said that they watched educational television. Find the 99% confidence interval of the true proportion of people who watched educational television. Round the answers to at least three decimal places.
Fill in the blank. The procedure for constructing a confidence interval about a mean is ______ , which means minor departures from normality do not affect the accuracy of the interval.
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

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