(See Solution) Pifzer and BioNTech announced the results of Phase III trials of their experimental COVID-19 vaccine in November 2020. 43,000 participants
Question: Pifzer and BioNTech announced the results of Phase III trials of their experimental COVID-19 vaccine in November 2020. 43,000 participants were randomly divided into two equal groups, with half given a placebo and half given a vaccine. 162 of the participants in the placebo group became sick, and 8 participants in the treatment group. How confident can we be that the vaccine is effective (i.e., that it reduces sickness relative to the placebo group)? Data to answer this question is in covid vaccine.csv.
Deliverable: Word Document 
(See Solution) Blood The American Red Cross says that about 45%
Solution: The train. To get to work, a commuter must cross train
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