Suppose a simple random sample of size n = 75 is obtained from a population whose size is N = 20,000 and whose population proportion with a specified characteristic is p =0.4.(a) Describe the sampling distribution of p.Choose the phrase that best describes the shape of the sampling distribution below.OA. Approximately normal because n < 0.05N and np(1-p) < 10.OB. Approximately normal because n ≤0.05N and np (1-p) ≥ 10.OC. Not normal because n≤0.05N and np (1-p) ≥ 10.OD. Not normal because n≤0.05N and np(1-p) < 10.(b) What is the probability of obtaining x =33 or more individuals with the characteristic? That is, what is P(p>0.44)P(p>0.44)=(Round to four decimal places as needed.)

Answered: Suppose a simple random sample of size…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Suppose a simple random sample of size n = 200 is obtained from a population whose size is N = 20,000 and whose population proportion with a specified characteristic is p = 0.8. Complete parts (a) through (c) below. (a) Describe the sampling aistribution or p. Choose the phrase that best describes the shape of the sampling distribution below. A. Approximately normal because n ≤0.05N and np(1-p) ≥ 10. OB. Not normal because n ≤0.05N and np(1-p) < 10. OC. Not normal because n ≤0.05N and np(1-p) ≥ 10. O D. Approximately normal because n ≤0.05N and np(1-p) < 10. Determine the mean of the sampling distribution of p. HA 8 (Round to one decimal place as needed.) p Determine the standard deviation of the sampling distribution of p. GA .028284 (Round to six decimal places as needed.) р (b) What is the probability of obtaining x= 162 or more individuals with the characteristic? That is, what is P(p ≥0.81)? P(p20.81)=(Round to four decimal places as needed.) example Get more help. % 5 ... 6 I'…
Suppose a simple random sample of size n = 200 is obtained from a population whose size is N = 15,000 and whose population proportion with a specified characteristic is p = 0.2. Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). (a) Describe the sampling distribution of p. Choose the phrase that best describes the shape of the sampling distribution below. O A. Not normal because n ≤0.05N and np(1-p) 10. O D. Approximately normal because n ≤0.05N and np(1-p) < 10. Determine the mean of the sampling distribution of p. (Round to one decimal place as needed.) Hp C
For a population with a = 12, how large a sample is necessary to have a standard error that is less than 4 points? n > ?
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