The accompanying frequency distribution summarizessample data consisting of ages of randomly selectedinmates in federal prisons. Use the data to construct a99% confidence interval estimate of the mean age of allinmates in federal prisons.SCIEAge (years)16-2526-3536-4546-5556-65Over 65Number13606735145Using the class limits of 66-75 for the "over 65" group, find the confidence interval.<< (Round to one decimal place as needed.)EU

The given table shows the frequency distribution of ages of randomly selected inmates in federal…

Answered: The accompanying frequency distribution…

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 the given confidence interval to find the margin of error and the sample mean. (12.3,20 5) The sample mean is (Type an integer or a decimal.) The margin of error is (Type an integer or a decimal.)
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 first employer for 3 or more years 73% Completed an appranticeship or intemship 67% Emplayed in field of study 61% Feel underemployad 53% Prefer to work for a large company 17% stay at their first émployer for 3 or more years is (0.700,0.760 ). The 99% confidence interval for the proportion of college students that expect (Round to three decimal places as needed.) The 99% confidence interval for the proportion of college students that have completed an apprenticeship or internship is ( ! ) (Round to three decimal places as needed.)
Construct a 95% confidence interval for the mean number of books people read. (_,_)
A corporation that maintains a large fleet of company cars for the use of its sales staff is interested in the mean distance driven monthly per sales person. The following list gives the monthly distances in miles driven by a random sample of 9 sales persons. 2173 , 2386 , 1945 , 2494 , 2694 , 2084 , 2093 , 2394 , 2668 Send data to calculator Send data to Excel Based on this sample, find a 99% confidence interval for the mean number of miles driven monthly by members of the sales staff, assuming that monthly driving distances are normally distributed. Then find the lower limit and upper limit of the 99% confidence interval.
Use the data on student load Student Unit Load 3, 12, 6, 9, 6, 12, 15, 12, 7, 9, 3 What is the point estimate for mean student unit load? Construct the 90% confidence interval for mean student load. Assume all requirements have been met.
How do I construct a confidence interval of the requested level with the given data below: x=28, n=64, confidence level 93%
The National Center for Education Statistics surveyed 4400 college graduates about the lengths of time required to earn their bachelor's degrees. The mean is 5.15 years, and the standard deviation is 1.68 years. Based enthuse sample data, construct the 99% confidence interval for the mean time required by all college graduates. left left: right:
In a study of speed dating, male subjects were asked to rate the attractiveness of their female dates, and a sample of the results is listed below (1 = not attractive; 10 = extremely attractive). Construct a confidence interval using a 90% confidence level. What do the results tell about the mean attractiveness ratings of the population of all adult females?7,7,1,8,6,5,8,8,8,8,5,9 What is the confidence interval for the population mean u? __<u<__ (Round to one decimal place as needed.)
I want to estimate the population mean number of times that adults eat breakfast in a week. I spoke with 12 coworkers, and the numbers were 7, 5, 5, 7, 2, 3, 7, 5, 1, 0, 7, 6. Calculate a 95% confidence interval for the population mean (round 3 decimal places).
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