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About 80% of unvaccinated children who are exposed to whooping cough will develop an infection, as opposed to 5% of vaccinated children. (a) What is the distribution of the number of new infections among
asked
Nov 16, 2016
Mathematics
high-school
1
answer
0
votes
2.1k
views
what are fossil fuels? why should we use them wisely?
asked
Dec 13, 2015
Social Studies
middle-school
2
answers
5
votes
6.4k
views
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