X) 8.2.11 Suppose a simple random sample of sze n = 150 s obtained rom a populat

Question

X) 8.2.11 Suppose a simple random sample of sze n = 150 s obtained rom a population whose sze s N 1500 and whose population proportion vit a specified characters cis p 24 (a) Describe the sampling distribution of p Choose the phrase that best describes the shape of the sampling distribution below. A. Approximately normal because n s0.05N and np(1 p)2 10 B. Approximately normal because ns 0.05N and np (1 - p) 10 C. Not normal because n s 0.05N and np(1-p)2 10. 0 D. Not normal because n s 0.05N and np(1-p)

Explanation / Answer

The mean of sampling distribution is same as the n*p which is 150*0.4=60. thus answer is 60

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