#11). & #12). An epidemiologist with the Florida Department of Health needs to estimate the proportion of Floridianswho are infected with the corona virus but are asymptomatic (show no signs of the virus). Theepidemiologist compiled a preliminary random sample of infected patients and found that 83% of thesample were also asymptomatic.How large a sample should be selected such that the margin of error of the estimate for a 96% confidenceinterval is at most 3.09%. Round the solution up to the nearest whole number. An epidemiologist needs to estimate the proportion of residents of Indian River county that have beeninfected with COVID-19. Determine the most conservative estimate of the sample size required to limit themargin of error to within 0.021 of the population proportion for a 99% confidence interval.Round the solution up to the nearest whole number.n =

According to guidelines we solve only first question when given questions are different.

Answered: who are infected with the corona virus…

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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A local health centre noted that in a sample of 400 patients, 80 were referred to them by the local hospital. What sample size would be required to estimate the proportion of all hospital referrals to the health centre with a margin of error of 0.04 or less at 95% confidence
In a population where the proportion of people who have the ability to taste umami is unknown, a random sample of 100 people were tested and 74 could clearly distinguish umami from saltiness. Calculate the 95% and 99% population proportion confidence intervals for this finding.
An epidemiologist with the Florida Department of Health needs to estimate the proportion of Floridians who are infected with the corona virus but are asymptomatic (show no signs of the virus). The epidemiologist compiled a preliminary random sample of infected patients and found that 67% of the sample were also asymptomatic. How large a sample should be selected such that the margin of error of the estimate for a 96% confidence interval is at most 4.91%. Round the solution up to the nearest whole number. N=
Michael wants to make a confidence interval estimate for the proportion of community members in favor of a tax increase for more local school funding. If he wants the margin of error to be no more than 0.025 at a 90% confidence level, a) What is the required sample size required to obtain the desired margin of error?
An epidemiologist with the Florida Department of Health needs to estimate the proportion of Floridians who are infected with the corona virus but are asymptomatic (show no signs of the virus). The epidemiologist compiled a preliminary random sample of infected patients and found that 65% of the sample were also asymptomatic.How large a sample should be selected such that the margin of error of the estimate for a 96% confidence interval is at most 1.93%. Round the solution up to the nearest whole number.
An epidemiologist with the Florida Department of Health needs to estimate the proportion of Floridians who are infected with the corona virus but are asymptomatic (show no signs of the virus). The epidemiologist compiled a preliminary random sample of infected patients and found that 77% of the sample were also asymptomatic . How large a sample should be selected such that the margin of error of the estimate for a 99% confidence interval is at most 4.39 %. Round the solution up to the nearest whole number .
A local health center noted that in a sample of 400 patients, 80 were referred to them by the local hospital. a) Provide a 95% confidence interval for the proportion of patients who are referred to the health center by the hospital. b) What sample size would be required to estimate the proportion of all hospital referrals to the health center with a margin of error of .04 at 95% confidence?

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