Homework Answers
Normal distribution condition.
Option C is answer.
![we know that → Normeel distribution Condition npz 10 NAP = 10 n = 30 ; P=0.3 n*P = 30 * 0.3 = 9 [<10] (B) n=15 NXP = ; P = 0.](http://img.homeworklib.com/questions/a06c3700-35a5-11eb-a29f-ef9e70089ef6.png?x-oss-process=image/resize,w_560)
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Question 3 of 10 2 Points For which sample size (n) and population parameter (p) can...
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 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 = 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...
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...
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...
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...
Describe the sampling distribution of p. Assume the size of the population is 15,000 n =...
Describe the sampling distribution of p. Assume the size of the population is 15,000 n = 500, p = 0.6 Choose the phrase that best describes the shape of the sampling distribution of p below. A. Approximately normal because ns0.05N and np(1-p) < 10. B. Not normal because ns 0.05N and np(1-p) < 10. OC. Not normal because ns0.05N and np(1-P) 10. O D. Approximately normal because ns 0.05N and np(1-P) 2 10. Determine the mean of the sampling distribution...
Can you answer questions 2,3,4 &show work 10 out of 10 points Question 1 A population...
Can you answer questions 2,3,4
&show work
10 out of 10 points Question 1 A population has a mean of 60 and a standard deviation of 30. Samples of size 16 are randomly selected. Calculate the standard deviation of the sample distribution of X. Round off to 3 decimal places. 15 out of 15 points Question 2 Samples of size 16 are drawn from a population. The sampling distribution for X has a standard deviation of 0.25. Find the standard...
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).
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= 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 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 = 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...
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...
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...
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...
Describe the sampling distribution of p. Assume the size of the population is 15,000 n = 500, p = 0.6 Choose the phrase that best describes the shape of the sampling distribution of p below. A. Approximately normal because ns0.05N and np(1-p) < 10. B. Not normal because ns 0.05N and np(1-p) < 10. OC. Not normal because ns0.05N and np(1-P) 10. O D. Approximately normal because ns 0.05N and np(1-P) 2 10. Determine the mean of the sampling distribution...
Can you answer questions 2,3,4
&show work
10 out of 10 points Question 1 A population has a mean of 60 and a standard deviation of 30. Samples of size 16 are randomly selected. Calculate the standard deviation of the sample distribution of X. Round off to 3 decimal places. 15 out of 15 points Question 2 Samples of size 16 are drawn from a population. The sampling distribution for X has a standard deviation of 0.25. Find the standard...
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).
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).
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