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The prevalence of a trait in a population is 10%. You take a simple random sample of 15 people from this population. Let X represent
The prevalence of a trait in a population is 10%. You take a simple random sample of 15 people from this population. Let X represent the number of individuals in the sample with the trait in question.
- What is the distribution of X?
- What is the probability of seeing no cases in a sample?
- What is the probability of seeing one case?
- What is the probability of seeing one or fewer cases?
- What is the probability of at least two cases?
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