MA T220.30: Statistics I [MODS ONLINE (4/30-6/24/18)] Test This Question: 1 pt :

Question

MA T220.30: Statistics I [MODS ONLINE (4/30-6/24/18)] Test This Question: 1 pt : POST UNIT 5- TEST - Ch. 8 11 of 14 (6 complete) Descibe the sampling distribution of p. Assume the size of the population is 25,000 n-600, p:04 Choose the phrase that best describes the shape of the sampling distribution of p below. O A. Approximately normal because n s0.05N and np(1 -p)210 ?B. Approximately normal because n s 005N and np(1-p-10. OC. Not normal because ns005N and np(1-p)210. O D. Not normal because n s005N and np(1-p) c 10 Determine the mean of the sampling distribution of p pa =[](Round to one decimal place as needed) Determine the standard deviation of the sampling distribution of p (Round to three decimal places as needed) Click to select your answer(s)

Explanation / Answer

Ans:

Option C is correct.

n<=0.05N and np(1-p)>=10

Mean=p=0.4

Standard deviation=sqrt(0.4*(1-0.4)/600)=0.02

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