Prevalence 76.8%. The prevalence of a trait is 76.8%. (a) In a simple random sample of n

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Prevalence 76.8%. The prevalence of a trait is 76.8%.

(a) In a simple random sample of n = 5, how many individuals are expected to exhibit this characteristic?

(b) How many would you expect to see with this characteristic in a simple random sample of n = 10?

(c) What is the probability of seeing nine or more individuals with this characteristic in an SRS of n = 10?

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