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it was found that 80 percent of americans victims of healthcare fraud are senior citizens. if 9
victims are randomly selected, find the probability that 5 are senior citizens. round your answers
to three decimal places.
P(exactly 5)=
Solution
Given X~Binomial(n=9, p=0.8) P(X=x)=xC9*(0.8^x)*(0.2^(9-x)) So
P(X=5)=5C9*(0.8^5)*(0.2^(9-5))=0.06606029

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it was found that 80 percent of americans victims of healthcare frau.pdf

  • 1. it was found that 80 percent of americans victims of healthcare fraud are senior citizens. if 9 victims are randomly selected, find the probability that 5 are senior citizens. round your answers to three decimal places. P(exactly 5)= Solution Given X~Binomial(n=9, p=0.8) P(X=x)=xC9*(0.8^x)*(0.2^(9-x)) So P(X=5)=5C9*(0.8^5)*(0.2^(9-5))=0.06606029