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A study of immunizations among schoolage children in California found that some areas had rates of unvaccinated schoolage children as high as13.5% in 2014. Imagine

A study of immunizations among schoolage children in California found that some areas had rates of unvaccinated schoolage children as high as13.5% in 2014. Imagine a classroom of20 children in one such area where13.5% of children are unvaccinated. If there are no siblings in the classroom, we are willing to consider the vaccination status of the20 unrelated children to be independent.

(a) Obtain the probability that none of the20 children in such a classroom would be unvaccinated. (Enter your answer rounded to three decimal places.)

(None of the20children are unvaccinated)=

(b) Obtain the probability that at least one of the20

children in such a classroom would be unvaccinated. (Enter your answer rounded to three decimal places.)

(At least one of the20children are unvaccinated)=

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