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Question 4 and 5 please
From a population with N(15, 15), a sample of size so...
Suppose a simple random sample of size n-37 is obtained from a population with p =...
Suppose a simple random sample of size n-37 is obtained from a population with p = 68 and a = 16. (a) What must be true regarding the distribution of the population in order to use the normal model to compute probabilities regarding the sample mean? Assuming the normal model can be used, describe the sampling distribution x. (b) Assuming the normal model can be used, determine P X < 72.3). (c) Assuming the normal model can be used, determine...
4. A simple random sample of size n = 36 is obtained from a population with...
4. A simple random sample of size n = 36 is obtained from a population with u = 70 and o = 24. (a) Describe the sampling distribution of x. (b) What is P (X>76) ? (c) What is P (x561.4)? (d) What is P (68 <x< 77.6) ?
Suppose a simple random sample of size n = 75 is obtained from a population whose...
Suppose a simple random sample of size n = 75 is obtained from a population whose size is N = 10,000 and whose population proportion with a specified characteristic is p=0.6. 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. Not normal because n s 0.05N and np(1-p) < 10. O B. Not normal because ns0.05N and np(1-P) 2 10. O...
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=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...
A simple random sample of size n = 46 is obtained from a population with u...
A simple random sample of size n = 46 is obtained from a population with u = 63 and o = 16. (a) What must be true regarding the distribution of the population in order to use the normal model to compute probabilities involving the sample mean? Assuming that this condition is true, describe the sampling distribution of x. (b) Assuming the normal model can be used, determine P(X<67.2). (c) Assuming the normal model can be used, determine P(x264.5).
Question 3 of 10 2 Points For which sample size (n) and population parameter (p) can...
Question 3 of 10 2 Points For which sample size (n) and population parameter (p) can a normal curve be used to approximate the sampling distribution? O A. n = 30; p = 0.3 B. n= 15; p = 0.6 O SS SS O O C. n = 30; p = 0.6 O D. n = 15; p = 0.3
A simple random sample of size n= 42 is obtained from a population with p =...
A simple random sample of size n= 42 is obtained from a population with p = 67 and o = 18. (a) What must be true regarding the distribution of the population in order to use the normal model to compute probabilitie (b) Assuming the normal model can be used determine P(x <70.6) (c) Assuming the normal model can be used, determine P(x2682). (a) What must be true regarding the distribution of the population? O A. The population must be...
A simple random sample of size n = 41 is obtained from a population with u...
A simple random sample of size n = 41 is obtained from a population with u = 67 and o = 17. (a) What must be true regarding the distribution of the population in order to use the normal model to compute probabilities involving the sample mean? Assuming that this condition is true, describe the sampling distribution of x. (b) Assuming the normal model can be used, determine P«<71.4). (c) Assuming the normal model can be used, determine Plă 269.3).
A simple random sample of size n= 13 is obtained from a population with u =...
A simple random sample of size n= 13 is obtained from a population with u = 66 and o = 18. (a) What must be true regarding the distribution of the population in order to use the normal model to compute probabilities involving the sample mean? Assuming that this condition is true, describe the sampling distribution of x. (b) Assuming the normal model can be used, determine P(x<69.2). (c) Assuming the normal model can be used, determine P(x267.5). (a) What...
A simple random sample of size n 14 is obtained from a population with u 66...
A simple random sample of size n 14 is obtained from a population with u 66 and a 17 (a) What must be true regarding the distribution of the population in order to use the normal model to compute probabilities involving the sample mean? Assuming that this condition is true, describe the sampling distribution of x (b) Assuming the normal model can be used, determine P(x<69.9). (c) Assuming the normal model can be used, determine P(x267.5) (a) What must be...
Suppose a simple random sample of size n-37 is obtained from a population with p = 68 and a = 16. (a) What must be true regarding the distribution of the population in order to use the normal model to compute probabilities regarding the sample mean? Assuming the normal model can be used, describe the sampling distribution x. (b) Assuming the normal model can be used, determine P X < 72.3). (c) Assuming the normal model can be used, determine...
4. A simple random sample of size n = 36 is obtained from a population with u = 70 and o = 24. (a) Describe the sampling distribution of x. (b) What is P (X>76) ? (c) What is P (x561.4)? (d) What is P (68 <x< 77.6) ?
Suppose a simple random sample of size n = 75 is obtained from a population whose size is N = 10,000 and whose population proportion with a specified characteristic is p=0.6. 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. Not normal because n s 0.05N and np(1-p) < 10. O B. Not normal because ns0.05N and np(1-P) 2 10. O...
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...
A simple random sample of size n = 46 is obtained from a population with u = 63 and o = 16. (a) What must be true regarding the distribution of the population in order to use the normal model to compute probabilities involving the sample mean? Assuming that this condition is true, describe the sampling distribution of x. (b) Assuming the normal model can be used, determine P(X<67.2). (c) Assuming the normal model can be used, determine P(x264.5).
Question 3 of 10 2 Points For which sample size (n) and population parameter (p) can a normal curve be used to approximate the sampling distribution? O A. n = 30; p = 0.3 B. n= 15; p = 0.6 O SS SS O O C. n = 30; p = 0.6 O D. n = 15; p = 0.3
A simple random sample of size n= 42 is obtained from a population with p = 67 and o = 18. (a) What must be true regarding the distribution of the population in order to use the normal model to compute probabilitie (b) Assuming the normal model can be used determine P(x <70.6) (c) Assuming the normal model can be used, determine P(x2682). (a) What must be true regarding the distribution of the population? O A. The population must be...
A simple random sample of size n = 41 is obtained from a population with u = 67 and o = 17. (a) What must be true regarding the distribution of the population in order to use the normal model to compute probabilities involving the sample mean? Assuming that this condition is true, describe the sampling distribution of x. (b) Assuming the normal model can be used, determine P«<71.4). (c) Assuming the normal model can be used, determine Plă 269.3).
A simple random sample of size n= 13 is obtained from a population with u = 66 and o = 18. (a) What must be true regarding the distribution of the population in order to use the normal model to compute probabilities involving the sample mean? Assuming that this condition is true, describe the sampling distribution of x. (b) Assuming the normal model can be used, determine P(x<69.2). (c) Assuming the normal model can be used, determine P(x267.5). (a) What...
A simple random sample of size n 14 is obtained from a population with u 66 and a 17 (a) What must be true regarding the distribution of the population in order to use the normal model to compute probabilities involving the sample mean? Assuming that this condition is true, describe the sampling distribution of x (b) Assuming the normal model can be used, determine P(x<69.9). (c) Assuming the normal model can be used, determine P(x267.5) (a) What must be...
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