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71% of the people have been vaccinated. If 3 people are randomly selected, what is the probability that at least one of them has been vaccinated

2 Answers

  • fcas80
    Lv 7
    1 month ago

    binomial dist.  P(at least 1) = 1 - P(zero) = 1 - C(3,0)*(.71^0)*(.29^3) = 1 - .29^3 = .976

  • Anonymous
    1 month ago

    move to homework help damn cheater

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