Do vaccines work? I take a sample of 1000 of unvaccinated people exposed outside and determined that 600 of them were infected with Comid-19. On the other hand, I take a sample of 800 people who are vaccinated against Comid- 19 and exposed outside and determined that 420 of them were infected with Comid-19. Using a = 0.06, test whether or not the rate of getting Comid-19 is higher in unvaccinated individuals compared to vaccinated ones.

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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4. Do vaccines work? I take a sample of 1000 of unvaccinated people exposed outside and determined that 600 of them
were infected with Comid-19. On the other hand, I take a sample of 800 people who are vaccinated against Comid-
19 and exposed outside and determined that 420 of them were infected with Comid-19. Using a = 0.06, test
whether or not the rate of getting Comid-19 is higher in unvaccinated individuals compared to vaccinated ones.
Transcribed Image Text:4. Do vaccines work? I take a sample of 1000 of unvaccinated people exposed outside and determined that 600 of them were infected with Comid-19. On the other hand, I take a sample of 800 people who are vaccinated against Comid- 19 and exposed outside and determined that 420 of them were infected with Comid-19. Using a = 0.06, test whether or not the rate of getting Comid-19 is higher in unvaccinated individuals compared to vaccinated ones.
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