Suppose a simple random sample of size n = 64 is obtained from a population that is skewed right with µ = 70 and o=16. (a) Describe the sampling distribution of x. (b) What is P (x>73.9)? (c) What is P (x≤65.3)? (d) What is P (68.7
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- The heights of fully grown trees of a specific species are normally distributed, with a mean of 71.0 feet and a standard deviation of 6.75 feet. Random samples of size 16 are drawn from the population. Use the central limit theorem to find the mean and standard error of the sampling distribution. Then sketch a graph of the sampling distribution. The mean of the sampling distribution is μx= The standard error of the sampling distribution is σx=Suppose a simple random sample of size n=64 is obtained from a population with μ=83 and σ=16. (a) Describe the sampling distribution of x. (b) What is P x>86.7? (c) What is P x≤78.3? (d) What is P 80.8<x<86.9?Suppose a simple random sample of size n = 125 is obtained from a population whose size is N = 30,000 and whose population proportion with a specified characteristic is p = 0.6
- A simple random sample of size n = 64 is obtained from a population that is skewed right with µ = 84 and o = 8. (a) Describe the sampling distribution of x. (b) What is P (x>85.45) ? (c) What is P (x≤81.95) ? (d) What is P (82.6585.45) : = (Round to four decimal places as needed.) (c) P (x≤81.95) = (Round to four decimal places as needed.) (d) P (82.65Suppose a simple random sample of size na 150 is obtained from a population whose size is N 25,000 and whose population proportion with a specifed 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 QA Not normal because ns0.05N and np(1-p) 10. OB Approximately normal becausens0.05N and np(1-p)< 10. OC. Not nomal because ns0.05N and np(1- p) 1o. o. Approximalely nomal becausens0.0SN and ne(t-pa 10 Determine the mean of the sampling distribuion of p H Round to one decimal place as needed)The heights of fully grown trees of a specific species are normally distributed, with a mean of 54.5 feet and a standard deviation of 5.75 feet. Random samples of size 19 are drawn from the population. Use the central limit theorem to find the mean and standard error of the sampling distribution. Then sketch a graph of the sampling distribution. The mean of the sampling distribution is u- %3D The standard error of the sampling distribution is o, = X. (Round to two decimal places as needed.) Choose the correct graph of the sampling distribution below. O A. В. OC. 2. 51.9 54.5 57.1 43.0 54.5 66.0A simple random sample of size n=49 is obtained from a population with μ=85 and σ=28. (a) What is P x>92.2? (b) What is P x≤75.6? (c) What is P 79.8<x<93?A simple random sample of size n = 49 is obtained from a population that is skewed right with μ= 84 and o= 7. (a) Describe the sampling distribution of x. (b) What is P (x>85.05) ? (c) What is P (x≤82) ? (d) What is P (83.2A simple random sample of size n=81is obtained from a population with μ=82 and σ=36. (a) Describe the sampling distribution of x. (b) What is P x>86.4? (c) What is P x≤73.6? (d) What is P 77.4<x<90.2?Recommended textbooks for youMATLAB: An Introduction with ApplicationsStatisticsISBN:9781119256830Author:Amos GilatPublisher:John Wiley & Sons IncProbability and Statistics for Engineering and th…StatisticsISBN:9781305251809Author:Jay L. DevorePublisher:Cengage LearningStatistics for The Behavioral Sciences (MindTap C…StatisticsISBN:9781305504912Author:Frederick J Gravetter, Larry B. WallnauPublisher:Cengage LearningElementary Statistics: Picturing the World (7th E…StatisticsISBN:9780134683416Author:Ron Larson, Betsy FarberPublisher:PEARSONThe Basic Practice of StatisticsStatisticsISBN:9781319042578Author:David S. Moore, William I. Notz, Michael A. FlignerPublisher:W. H. FreemanIntroduction to the Practice of StatisticsStatisticsISBN:9781319013387Author:David S. Moore, George P. McCabe, Bruce A. CraigPublisher:W. H. FreemanMATLAB: An Introduction with ApplicationsStatisticsISBN:9781119256830Author:Amos GilatPublisher:John Wiley & Sons IncProbability and Statistics for Engineering and th…StatisticsISBN:9781305251809Author:Jay L. DevorePublisher:Cengage LearningStatistics for The Behavioral Sciences (MindTap C…StatisticsISBN:9781305504912Author:Frederick J Gravetter, Larry B. WallnauPublisher:Cengage LearningElementary Statistics: Picturing the World (7th E…StatisticsISBN:9780134683416Author:Ron Larson, Betsy FarberPublisher:PEARSONThe Basic Practice of StatisticsStatisticsISBN:9781319042578Author:David S. Moore, William I. Notz, Michael A. FlignerPublisher:W. H. FreemanIntroduction to the Practice of StatisticsStatisticsISBN:9781319013387Author:David S. Moore, George P. McCabe, Bruce A. CraigPublisher:W. H. Freeman