l Seore15 out of 25 points Time Elapsed 40 hours, 48 minutes Results Displayed A

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l Seore15 out of 25 points Time Elapsed 40 hours, 48 minutes Results Displayed All Answers, Submitted Answers, Correct Answers Question 1 out of 2.5 points Consider a sampling distribution with p -12 and samples of size n each. Using the appropriate formulas, find the mean [a] (round to 2 decimal places) and the standard deviation [b] (round to 4 decimal places) of the sampling distribution of the sample proportion for a random sample of size n = 4000. Specified Answer for: a 4.80 Specified Answer for: b 20.5524 Correct Answers for: a Evaluation Method Correct Answer Case Sensitivity 0.12 Exact Match Exact Match 12 Correct Answers for: b Case Sensitivity Correct Answer Evaluation Method Exact Match Exact Match

Explanation / Answer

p=0.13

sample proportion =population proportion

sample proportion = 0.13

sample standard deviation = sqrt(p*(1-p)/n)

where n is sample size

sample standard deviation = sqrt(0.13*0.87/4000) = 0.0053

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