Three people have been exposed to a certain illness. Once
Chapter 9, Problem 14E(choose chapter or problem)
Problem 14E
Three people have been exposed to a certain illness. Once exposed, a person has a 50–50 chance of actually becoming ill.
a. What is the probability that exactly one of the people becomes ill?
b. What is the probability that at least two of the people become ill?
c. What is the probability that none of the three people becomes ill?
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