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Suppose that the prevalence of a certain type of tree allergy is 0.42 in the general...

Suppose that the prevalence of a certain type of tree allergy is 0.42 in the general population. If 100 people randomly chosen from this population are tested for this allergy, what is the probability that exactly 42 of them will have this allergy?

Please write your answer as a decimal, precise to at least four decimal places.

Math   Statistics-And-Probability   
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