A simple random sample of size n = 49 is obtained from a population that is skewed right with μ = 77 and o=7. (a) Describe the sampling distribution of x. (b) What is P (x>78.05) ? (c) What is P (x≤ 74.7)? (d) What is P (76.3
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- Suppose a simple random sample of size n = 64 is obtained from a population that is skewed right with p=82 and σ = 24. (a) Describe the sampling distribution of x. (b) What is P (x>86.8)? (c) What is P (xs75.25)? (d) What is P (80.5How many possible of size n = 4 can be drawn from a population of size 15? (a) 210 (b) 1365 (c) 3003 (d) 32760 What is the shape of the sampling distribution of the means if random sample of size n become larger? (a) left skewed (b) right skewed (c) normal (d) linear Which sample size will give a smaller standard error of the mean? (a) 10 (b) 13 (c) 30 (d) 46 What is the finite population correction factor if the size of the population is 250 and the sample size is 20? (a) 0.9210 (b) 0.9361 (c) 0.9365 (d) 0.9610A simple random sample of size n=64 is obtained from a population with μ=80 and σ=24. Describe the sampling distribution of x. (a) What is P x>86? (b) What is P x≤73.1? (c) What is P 76.85<x<87.05?= 16. A simple random sample of size n = 64 is obtained from a population with u = 77 and o = (a) Describe the sampling distribution of x. (b) What is P (x>79.5) ? (c) What is P (xs72.9)? (d) What is P (75.9 79.5) = (Round to four decimal places as needed.) (c) P (xs72.9) = (Round to four decimal places as needed.) (d) P (75.9A sample of 3 measurements are taken and recorded: a =8, y = 10 and z = 7 The sample mean is: x = = 8.33 Fill in the table below. aj (a; - x)2 Ex: 5.34 Ex: 5.34 Ex: 5.34 82 = (z-z)*+(y-a)* +(z-z) Ex: 5.34 (z-2)*+(y-z)* +(z-) = Ex: 5.34Suppose 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?state whether or not this resulting observed interval ended up capturing the true population proportion p of 0.45.rom the set of numbers {4,6, 8}, a random sample of size 2 is selected with replacement. (a) Determine the sampling distribution of the sample mean X. (b) Find the mean E(X) of the sampling distribution of the sample mean X. Compare E(X) with the population mean u.The random variable x has a normal distribution with mean 50 and variance 9. Find the value of x, call it x0, such that: a) P(x ≤ xo) = 0.8413 b) P(x > xo) = 0.025 c) P(x > xo) = 0.95 d) P(41 ≤ x ≤ xo) = 0.8630Recommended textbooks for youMATLAB: An Introduction with ApplicationsStatisticsISBN:9781119256830Author:Amos GilatPublisher:John Wiley & Sons Inc
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