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2. According to data released by the North Carolina Department of Health & Human Services, 1.795% of NC African Americans who contracted COVID-19 did not survive. Of NC Caucasians who contracted the virus, 1.469% passed away. The Mecklenburg Health Department collected an SRS of 600 African Americans and another SRS of 700 Caucasians who had all been infected. Let = the sample death rate of African Americans and p, = the sample death rate of Caucasians. [Data collected from publicly available reports at covid19.nchhs.gov as of 1/3/21] A. Describe the shape of the sampling distribution of p, – p2 Justify your answer. B. Find the mean and standard deviation of the sampling distribution of p1 - P2. Interpret the standard deviation and be sure to check any relevant conditions. C. What is P(p1 - P2 > 0)? D. Interpret your answer to part Cin context.

2. According to data released by the North Carolina Department of Health & Human Services, 1.795% of NC African Americans who contracted COVID-19 did not survive. Of NC Caucasians who contracted the virus, 1.469% passed away. The Mecklenburg Health Department collected an SRS of 600 African Americans and another SRS of 700 Caucasians who had all been infected. Let = the sample death rate of African Americans and p, = the sample death rate of Caucasians. [Data collected from publicly available reports at covid19.nchhs.gov as of 1/3/21] A. Describe the shape of the sampling distribution of p, – p2 Justify your answer. B. Find the mean and standard deviation of the sampling distribution of p1 - P2. Interpret the standard deviation and be sure to check any relevant conditions. C. What is P(p1 - P2 > 0)? D. Interpret your answer to part Cin context.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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2. According to data released by the North Carolina Department of Health & Human Services, 1.795% of NC African Americans who contracted COVID-19 did not survive. Of NC Caucasians who contracted the virus, 1.469% passed away. The Mecklenburg Health Department collected an SRS of 600 African Americans and another SRS of 700 Caucasians who had all been infected. Let P1 = the sample death rate of African Americans and p, = the sample death rate of Caucasians. %3D %3D [Data collected from publicly available reports at covid19.nchhs.gov as of 1/3/21] A. Describe the shape of the sampling distribution of p1 – p2 Justify your answer. B. Find the mean and standard deviation of the sampling distribution of p1 - P2. Interpret the standard deviation and be sure to check any relevant conditions. C. What is P(p1 – P2 > 0)? D. Interpret your answer to part C in context.
Transcribed Image Text:2. According to data released by the North Carolina Department of Health & Human Services, 1.795% of NC African Americans who contracted COVID-19 did not survive. Of NC Caucasians who contracted the virus, 1.469% passed away. The Mecklenburg Health Department collected an SRS of 600 African Americans and another SRS of 700 Caucasians who had all been infected. Let P1 = the sample death rate of African Americans and p, = the sample death rate of Caucasians. %3D %3D [Data collected from publicly available reports at covid19.nchhs.gov as of 1/3/21] A. Describe the shape of the sampling distribution of p1 – p2 Justify your answer. B. Find the mean and standard deviation of the sampling distribution of p1 - P2. Interpret the standard deviation and be sure to check any relevant conditions. C. What is P(p1 – P2 > 0)? D. Interpret your answer to part C in context.
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