Question #311694

In a large population 63% 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


1
Expert's answer
2022-03-15T17:29:23-0400

This is a binomial distribution with n=5, p=0.63.

P(X≥1)=1−P(X=0)=1−C500.630(1−0.63)5=0.9931.P(X\ge1)=1-P(X=0)=1-C_5^00.63^0(1-0.63)^5=0.9931.


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