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 n, = the sample death rate of Caucasians. %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 î1 – 22 · 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(p - P2 > 0)? D. Interpret your answer to part C in 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 n, = the sample death rate of Caucasians. %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 î1 – 22 · 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(p - P2 > 0)? D. Interpret your answer to part C in context.
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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