Solution,
1) = 0.4
= 0.034641
c) P( 0.38)
= P[( - ) / (0.38 - 0.4) / 0.034641 ]
= P(z -0.58 )
Using z table,
= 0.2810
2) = 0.28
= 0.0142
c) P( 0.26)
= P[( - ) / (0.26 - 0.28) / 0.0142 ]
= P(z -1.41)
Using z table,
= 0.0793
Suppose a simple random sample of size n=200 is obtained from a population whose size is...
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. Complete parts (a) through (c) below. A. Not normal because ns0.05N and np(1 - p) 10. B. Approximately normal because ns0.05N and np(1-p) < 10. C. Not normal because ns 0.05N and np(1-p) < 10. D. Approximately normal because ns0.05N and np(1 - p) 10. Determine the...
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. Complete parts (a) through (c) below. (a) Describe the sampling distribution of o. Choose the phrase that best describes the shape of the sampling distribution below. O A. Not normal because ns 0.05N and np(1-p) 2 10. B. Approximately normal because ns0.05N and np(1 - p) < 10....
Suppose a simple random sample of size n=200 is obtained from a population whose size is N = 10,000 and whose population proportion with a specified characteristic is p=0.2. Complete parts (a) through (c) below. (a) Describe the sampling distribution of p. Choose the phrase that best describes the shape of the sampling distribution below. O A. Approximately normal because ns0.05N and np(1 :p) < 10. OB. Not normal because n s 0.05N and np(1-P) < 10. OC. Not normal...
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Suppose a simple random sample of size n=200 is obtained from a population whose size is N=10,000 and whose pe (a) Describe the sampling distribution of p. Choose the phrase that best describes the shape of the sampling distribution below. O A. Approximately normal because np(1-P) < 10. OB. Approximately normal because np(1-P) 10. OC. Not normal because np(1-P) < 10. OD. Not normal because np(1-P) 2 10 Determine the mean of the sampling distribution of p. Ha =(Round to...
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Suppose a simple random sample of size n=200 is obtained from a population whose size is N = 30,000 and whose population proportion with a specified Charadelei isp.06. Complete purt (a) through k) below O C. Not normal because no.05N and np(1-P) 10 OD. Approximately normal because 0.05N and np{1 - p)<10 P Determine the mean of the sampling distribution of 06 (Round to one decimal place as noeded) Determine the standard deviation of the sampling distribution of 0.0.034541 (Round...