QUESTION 22An insurance company proposes two health insurance plans for the employees of a local company. Plan A is the basicplan and covers only the medication expenses in case of hospitalization, whereas Plan B reimburses all medicalexpenses of the employees. As a human ressources manager, you are required to estimate how many employees will optfor Plan B. The manager randomly asks 200 employees and 117 of them prefer Plan B. Find the upper confidencelimite (UCL) of the 98% confidence interval estimate for the proportion of employees who will prefer Plan B. Round youranswer to three decimal places.

Given,n=200x=117sample proportion(p^)=xnsample…

Answered: An insurance company proposes two…

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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You want to determine if the proportion of people who will vote for the president next year has increased due to current events. You take a simple random sample of 1100 individuals and find that 897 of them said that they will be voting in the election. Construct a 95% confidence interval, by hand (mean using the equations in the section). Show your work. And then write the conclusion to the confidence interval (follow the examples in the modules) in a complete sentence.
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A university health services physician is concerned about how much sleep freshman are getting. She asked a simple random sample of 100 students if they got at least 8 hours of sleep the previous night. then she constructs a 90% confidence interval for the true proportion of all freshman college students who got at least 8 hours of sleep the previous night. Explain what would happen to the width of the interval if the sample size would decrease to 25 students
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