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According to the CDC, in 2017-2018, the prevalence of obesity among American adults was 42.4%. In...

According to the CDC, in 2017-2018, the prevalence of obesity among American adults was 42.4%. In a random sample of 80 adults, let p be the proportion that meet the CDC definition of obese.

(a) Describe the sampling distribution of p. Your answer should include the shape of the distribution (and why you can make this conclusion), the mean, and the standard deviation.

(b) What is the probability that p is between 40 and .44.

Math   Statistics-And-Probability   
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