Part 1 of 3Part: 1 / 3Part 2 of 3GOSleep apnea: Sleep apnea is a disorder in which there are pauses in breathing during sleep. People with this condition must wake up frequently to breathe. In asample of 422 people aged 65 and over, 116 of them had sleep apnea.ip Part1Check(a) Find a point estimate for the population proportion of those aged 65 and over who have sleep apnea. Round the answer to at least three decimalplaces.The point estimate for the proportion of those aged 65 and over who have sleep apnea is 0.2751011(b) Construct a 99% confidence interval for the proportion of those aged 65 and over who have sleep apnea. Round the answer to at least three decimalplaces.A 99% confidence interval for the proportion of those aged 65 and over who have sleep apnea is< 112XŚSave For LaterSubmit A

Sample size n=422Favorable cases x=116

Answered: mea: Sleep apnea is a disorder in which…

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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23% of the students graduating from a local high school received scholarships to college. If 163 students graduating received scholarships to college, how many students total graduated from the local high school? You must show work and explain your estimation. Estimation: Exact answer: (nearest whole number)
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You want to obtain a sample to estimate a population proportion. At this point in time, you have no reasonable estimate for the population proportion. You would like to be 95% confident that you esimate is within 0.01 of the true population proportion. How large of a sample size is required?
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Statistics Question
The head of a computer science department is interested in estimating the proportion of students entering the department who will choose the new computer engineering option. A preliminary sample indicates that the proportion will be around 0.35. Therefore, what size sample should the department head take if she wants to be 95% confident that the estimate is within 0.10 of the true proportion?
For this problem, carry at least four digits after the decimal in your calculations. Answers may vary slightly due to rounding.In a survey of 1000 large corporations, 246 said that, given a choice between a job candidate who smokes and an equally qualified nonsmoker, the nonsmoker would get the job. (a) Let p represent the proportion of all corporations preferring a nonsmoking candidate. Find a point estimate for p. (Round your answer to four decimal places.)(b) Find a 0.95 confidence interval for p. (Round your answers to three decimal places.) lower limit upper limit What is the margin of error based on a 95% confidence interval? (Round your answer to three decimal places.)
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Number of Students 30 25 2 15 10 5 0 S 10 1 15 3 20 SAMSUNG 2.5 24 3 30 Grade 28 35 SUBMIT QUESTION 19 40 25 45 SAVE PROGRESS 50 55 SU
Two varieties of corn are grown in 4 different locations. Each location provides a value in pounds for each variety.The table below lists the results. Find the standard error for the difference in the production of the two corn varieties to two decimal places. Variety 1 Variety 2 difference location 1 32.1 34.5 -2.4 location 2 30.6 32.6 -2.0 location 3 33.7 34.6 -0.9 location 4 29.7 31.6 -1.3 mean value 31.53 33.18 -1.65 standard deviation 1.76 1.72 0.68 1.23 0.75 0.34 0.98

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