If there is a recommended calculator or excel/ti-calculator formula please provide. Thanks!
If there is a recommended calculator or excel/ti-calculator formula please provide. Thanks! A random sample of...
A random sample of n measurements was selected from a population with unknown mean μ and standard deviation σ = 35 for each of the situations in parts a through d. Calculate a 99% confidence interval for μ for each of these situations. a. n = 75, x = 20 Interval: ( _____, _____ ) b. n = 150, x = 104 Interval: ( _____, _____ ) c. n = 90, x = 16 Interval: ( _____, _____ ) d....
(1 point) A random sample of n measurements was selected from a population with unknown mean u and standard deviation o. Calculate a 99% confidence interval for u for each of the following situations: (a) n= 105, X = 25.8, s = = 2.92 sus (b) n = 95, x = 96, s = 4.13 su < (c) n = 85, X = 63.6, s = 2.31 su < (d) n = 115, x = 102.1, s = 2.95 su...
A simple random sample of size n is drawn from a population that is normally distributed. The sample mean, x, is found to be 106, and the sample standard deviation, s, is found to be 10. (a) Construct a 90% confidence interval about u if the sample size, n, is 22. (b) Construct a 90% confidence interval about u if the sample size, n, is 27. (c) Construct a 99% confidence interval about u if the sample size, n, is...
(1 point) A random sample of n measurements was selected from a population with unknown mean y and standard deviation o. Calculate a 95% confidence interval for u for each of the following situations: (a) n = 100, X = 35.1, s = 3.61 sus (b) n= 110, x = 53.2, s = 3.36 Sus .. (c) n = 115, x = 68.3, s = 4.76 18 SMS !!! (d) n=95, x = 41, s = 2.81 !!! Sus
(1 point) A random sample of n measurements was selected from a population with unknown mean u and standard deviation o. Calculate a 90% confidence interval for p for each of the following situations: (a) n = 100 = 102.2, s = 2.28 << (b) n=90, Z = 84.8, s = 2.19 <u (c) n = 80, Z = 55.8, s 2.48 << (d) n=90, = 76.3, s = 2.68 Sus Note: You can earn partial credit on this problem.
just got b wrong (1 point) A random sample of n measurements was selected from a population with unknown mean u and standard deviation o. Calculate a 90% confidence interval for u for each of the following situations: (a) n= m = 100, 7 100, = 102.2, s = 2.28 su < 101.825 102.575 (b) n = 90, z = 84.8, s = = 2.19 184.420 su < 185.180 (c) n 80, # 55.8, s = 2.48 su < 55.3444...
A simple random sample of size n is drawn from a population that is normally distributed. The sample mean, x, is found to be 115, and the sample standard deviation, s, is found to be 10 (a) Construct a 98% confidence interval about if the sample size, n, s 14 (b) Construct a 98% confidence interval about μ if the sample size, n, is 19 (c) Construct a 99% confidence interval about if the sample size, n, s 14 (d)...
10. A simple random sample of size n is drawn. The sample mean x is found to be 39.1, and the sample standard deviation s is found to be 9.7. a) (2 points) Construct a 90% confidence interval for the population mean u if the sample size n is 41. b) (2 points) Construct a 90% confidence interval for the population mean y if the sample size n is 101. c) (2 points) Construct a 99% confidence interval for the...
Complete a-d 9.2.17 O of 1 Point Question Help A simple random sample of size n is drawn from a population that is normally distributed. The sample mean, x, is found to be 106. and the sample standard deviation, s, is found to be 10. (a) Construct a 96% confidence interval about if the sample size, n, is 24. (b) Construct a 96% confidence interval about u if the sample size, n, is 28. (c) Construct a 98% confidence interval...
Please show all work!!! 11.* A random sample of size n 64 is drawn from a population with mean μ and standard deviation σ. The mean and standard deviation of the sample are X = 308.9 and s 31.9 a. Find a 90%confidence interval for the mean μ. Interpret this interval. b. Find a 95%confidence interval for the mean μ. Interpret this interval. c. Find a 99%confidence interval for the mean μ. Interpret this interval. d. Compare the widths of...