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.Using the class limits of 66-75 for the "over 65" group, find the confidence interval.<< (Round to one decimal place as needed.)CAge (years)16-2526-3536-4546-5556-65Over 65CMacBook ProNumber14606637154

The data is given asClassFrequency16 - 251426 - 356036 - 456646 - 553756 - 651566 - 754want to…

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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Constructing a Confidence Interval for a Population Proportion In a survey funded by a large university, 780 of 1000 adult Seattle residents said they did not believe they could contract (STI). Construct a 95% confidence interval for the proportion of all adult Seattle residents who don't believe they can contract an STI. Select the correct interval below.
ces Listed below are student evaluation ratings of courses, where a rating of 5 is for "excellent." The ratings were obtained at one university in a state. Construct a confidence interval using a 99% confidence level. What does the confidence interval tell about the population of all college students in the state? 3.9, 2.9, 4.1, 4.6, 3.2, 4.2, 3.7, 4.6, 4.5, 4.1, 4.0, 3.6, 3.5, 4.1, 3.7 C What is the confidence interval for the population mean μ? << (Round to two decimal places as needed.) lee What does the confidence interval tell about the population of all college students in the state? Select the correct choice below and, if necessary, fill in the answer box(es) to complete your choice. OA. We are confident that 99% of all students gave evaluation ratings between and lee (Round to one decimal place as needed.) OB. The results tell nothing about the population of all college students in the state, since the sample is from only one university. OC. We are 99% confident that the…
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A doctor would like to estimate the mean difference in the number of hours of sleep for seniors in high school and seniors in college. To do so, he selects a random sample of 50 high school seniors from all high schools in his county. He also selects a random sample of 50 seniors from the colleges in his county. He would like to construct a 95% confidence interval for the true mean difference in the number of hours of sleep for seniors in high school and seniors in college. Are the conditions for inference met? Yes, all three conditions for inference are met. No, the random condition is not met for both samples. No, the 10% condition is not met for both samples. No, the Normal/large sample condition is not met for both samples.
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? 6, 8, 1, 10, 7, 6, 8, 9, 8, 10, 4,8 What is the confidence interval for the population mean μ? (Round to one decimal place as needed.)
solve the problem and submit your work in a tabulated format
A sample of 82 Oscar-winning actresses had a mean age of 35.9 years when they won the award. s = 11.1 years. Use a 0.01 significance level to test the claim that the mean age of actresses when they win an Oscar is greater than 33 years. Once you have your conclusion, find the 99% confidence interval of the mean age and compare your results.
please help me with these
A survey was conducted that asked 1018 people how many books they had read in the past year. Results indicated that x=10.3 books and s=16.6 books. Construct a 90% confidence interval for the mean number of books people read. Interpret the interval.
Community college students conduct a survey at their college. They ask "Do you plan to transfer to a university to pursue a baccalaureate degree?" In a random sample of 100 students, 80 indicate that they plan to transfer to a university. Find the 99% confidence interval for estimating the proportion of all of the community college's students who plan to transfer. 1. 0.734 to 0.866 2. 0.722 to 0.878 3. 0.697 to 0.903 4. We should not calculate the 99% confidence interval because normality conditions are not met.
The accompanying frequency distribution summarizes sample data consisting of ages of randomly selected inmates in federal prisons. Use the data to construct a 95% confidence interval estimate of the mean age of all inmates in federal prisons. Age (years) 16-25 26-35 36-45 46-55 56-65 Over 65 Using the class limits of 66-75 for the "over 65" group, find the confidence interval. <μ< (Round to one decimal place as needed.) Number 13 60 65 37 13 5
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 99% confidence level. What do the results tell about the mean attractiveness ratings of the population of all adult females? 5,9,3,8,4,5,7,8,7,8,3,9. What is the confidence interval for the population mean u

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