Question

Infection Risk: The 43,661 subjects were split evenly between the placebo and vaccine groups (about 21,830 subjects per group). In the placebo group — the group that got a “fake” vaccine — 162 became infected with the coronavirus and showed symptoms. In the vaccine group — the group that got the real vaccine — that number was only eight.




1. What percentage of the placebo subjects became infected? Hint: Divide the number infected by the total group size, then multiply by 100. This answer is %. Round your answer to 2 decimal places.

2. What percentage of the vaccine subjects became infected? This answer is . Round your answer to 2 decimal places.

Answer 1

Answer:

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