APFIVE Sampling Distribution of a Sample Proportion
Suppose the true proportion of college students who have participated in community service is p = 0.15. For a random sample of 200 students taken from this population, which of the following best describes the sampling distribution of the sample proportion?
A
Not approximately normal because np < 30
B
Skewed right because p is small
C
Approximately normal with μp̂ = 0.15 and σp̂ = 0.15
D
Approximately normal with μp̂ = 0.15 and σp̂ = 0.025
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