Probability of a person getting infected with a virus


In a certain high-risk group, the probability of a person getting infected with a virus is 65%. If 8 people are randomly selected, find the following probabilities (assuming sampling with replacement.)

A. P[exactly 2 are infected]

B. P[at least 2 are infected]

C. P[no one is infected]

D. P[no more than 4 more are infected]

E. Determine the mean and variance for this binomial random varible (population)

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Basic Statistics: Probability of a person getting infected with a virus
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