Problems 1. Given the information: The sampled population is normally distributed with - n 9, 29,...
The sampled population is normally distributed, with the given information. (Give your answers correct to two decimal places.) n = 15, x = 29.7, and σ = 5.1 (A) Find the 0.98 confidence interval for μ. _______to _______ (B) Are the assumptions satisfied? Explain. a) Yes, the sampled population is normally distributed. b) No, the sample distribution is not normally distributed. c) not enough information
The sampled population is normally distributed, with the given information. (Give your answers correct to two decimal places.) n = 18, x = 28.4, and σ = 5.7 (a) Find the 0.99 confidence interval for μ. ______ to ______ (b) Are the assumptions satisfied? You may need to use the appropriate table in Appendix B to answer this question.
4. 0-9.09 points JKEStat11 8.E.025 The sampled population is normally distributed, with the given information. (Give your answers correct to two decimal places.) n 19, x 29.6, and ơ 6.8 (a) Find the 0.95 confidence interval for μ. (b) Are the assumptions satisfied? Explain. to O Yes, the sampled population is normally distributed. O No, the sample distribution is not normally distributed. O not enough information You may need to use the appropriate table in Appendix B to answer this...
The sampled population is normally distributed, with the given information. (Round your answers to two decimal places.) n = 10, x = 29.5, and 0 = 6.4 (a) Find the 0.95 confidence interval for u. to (b) Are the assumptions satisfied? Explain. W Yes, the sampled population is normally distributed. O No, the sample distribution is not normally distributed. O not enough information You may need to use the appropriate table in Appendix B to answer this question.
2. 4 Given the following sample means information: n (a) Find the 0.90 confidence interval for . (b) Are the assumptions satisfied? (c) Explain the meaning of a 90% confidence level 81, x 130, and σ
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)...
A simple random sample of size n is drawn from a population that is normally distributed. The sample mean, x̅, is found to be 107 , and the sample standard deviation, s, is found to be 10 .(a) Construct a 98 % confidence interval about μ if the sample size, n, is 22 .(b) Construct a 98 % confidence interval about μ if the sample size, n, is 12 .(c) Construct a 95 % confidence interval about μ if the...
A simple random sample of size n is drawn from a population that is normally distributed. The sample mean, x̅, is found to be 109 , and the sample standard deviation, 5 , is found to be 12 .(a) Construct a 96 % confidence interval about μ if the sample size, n, is 23 .(b) Construct a 96 % confidence interval about μ if the sample size, n, is 16 .(c) Construct a 90 % confidence interval about μ if...
If X overbar=65, S=14, and n=49, and assuming that the population is normally distributed, construct a 99% confidence interval estimate of the population mean, μ.
A simple random sample of size n is drawn from a population that is normally distributed. The sample mean, x overbar x, is found to be 108, and the sample standard deviation, s, is found to be 10. (a) Construct a 95% confidence interval about mu μ if the sample size, n, is 12. (b) Construct a 95% confidence interval about mu μ if the sample size, n, is 23. (c) Construct a a 96 96% confidence...