You are interested in finding a 98% confidenceinterval for the average number of days of class thatcollege students miss each year. The data belowshow the number of missed days for 11 randomlyselected college students. Round answers to 3decimal places where possible.116 1 3 9 12 6 30 10 12a. To compute the confidence interval use a?distribution.b. With 98% confidence the population mean numberof days of class that college students miss is betweenanddays.c. If many groups of 11 randomly selected non-residential college students are surveyed, then adifferent confidence interval would be producedfrom each group. Aboutpercent of theseconfidence intervals will contain the true populationmean number of missed class days and aboutpercent will not contain the truepopulation mean number of missed class days.

Answered: terval for the average number of days…

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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Construct a 99% confidence interval to estimate the population mean using the data below. x-51 0 =9 n= 43 With 99% confidence, when n= 43 the population mean is between a lower limit of and an upper limit of (Round to two decimal places as needed.) Enter your answer in each of the answer boxes. Save for Later. O Type here to search .::: ace F9 F1C F7 F8 F5 F6 F2 F3 F4 出

Section b
The figure to the right shows the results of a survey in which 1500 college graduates from the year 2016 were asked questions about employment. Employment College students' responses to questions about employment Construct 99% confidence intervals for the population proportion of college students who gave each response. Expect to stay at firet employer for 3 or more years 73% Comploted an apprenticeship or intemship 67% Employed in field of study 61% Foel underemployed 53% Prefer to work for a large company 17% The 99% confidence interval for the proportion of college students that expect to stay at their first émployer for 3 or more years is ( D. (Round to three decimal places as needed.)
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q42
You are interested in finding a 95% confidence interval for the average number of days of class that college students miss each year. The data below show the number of missed days for 13 randomly selected college students. Round answers to 3 decimal places where possible. 7 5 3 9 11 6 4 12 0 6 0 6 2 With 95% confidence the population mean number of days of class that college students miss is between ------- and ----------- days.
You are interested in finding a 99% confidence interval for the average number of days of class that college students miss each year. The data below show the number of missed days for 15 randomly selected college students. Round answers to 3 decimal places where possible. 1 7 12 10 2 0 9 0 7 11 6 11 10 2 12 b. With 99% confidence the population mean number of days of class that college students miss is between ? and ? days. c. If many groups of 15 randomly selected non-residential college students are surveyed, then a different confidence interval would be produced from each group. About ? percent of these confidence intervals will contain the true population mean number of missed class days and about ? percent will not contain the true population mean number of missed class days.
A random sample of statistics students were asked to estimate the total number of hours they spend watching television in an average week. The responses are recorded in Table. Use this sample data to construct a 98% confidence interval for the mean number of hours statistics students will spend watching television in one week. Assume the population is normally distributed. (Give your answer to 3 decimal places if necessary.) 20 13 1 10 20 0 10 13 16 10 1 17 18 3 9 (?,?)
some is wrong？
(Use a=.05)
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