SOLUTION: In a large population, 51 % of the people have been vaccinated. If 5 people are randomly selected, what is the probability that AT LEAST ONE of them has been vaccinated?

Question 1130404: In a large population, 51 % of the people have been vaccinated. If 5 people are randomly selected, what is the probability that AT LEAST ONE of them has been vaccinated?

Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!

find the probability that none was vaccinated. The answer will be 1- that probability.
49% haven't been vaccinated
probability of 5 that none has been vaccinated is .49^5, or 0.0282
probability at least one has been vaccinated is 0.9718.
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