The sampled population is normally distributed, with the given information. (Give your answers correct to two...
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
Homework Answers
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The sampled population is normally distributed, with the given
information. (Give your answers correct to two...
The sampled population is normally distributed, with the given information. (Give your answers correct to two...
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.
The sampled population is normally distributed, with the given information. (Round your answers to two decimal...
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.
4. 0-9.09 points JKEStat11 8.E.025 The sampled population is normally distributed, with the given information. (Give...
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...
Problems 1. Given the information: The sampled population is normally distributed with - n 9, 29,...
Problems 1. Given the information: The sampled population is normally distributed with - n 9, 29, and ơ 2. (a) Find the 0.99 confidence interval for μ. (b) Are the assumptions satisfied? (c) Explain the meaning of a 99% confidence level.
A machine produces parts with lengths that are normally distributed with σ = 0.55. A sample...
A machine produces parts with lengths that are normally distributed with σ = 0.55. A sample of 20 parts has a mean length of 76.47. (a) Give a point estimate for μ. (Give your answer correct to two decimal places.) (b) Find the 90% confidence maximum error of estimate for μ. (Give your answer correct to three decimal places.) (c) Find the 90% confidence interval for μ. (Give your answer correct to three decimal places.) Lower Limit - Upper Limit...
A machine produces parts with lengths that are normally distributed with σ = 0.55. A sample...
A machine produces parts with lengths that are normally distributed with σ = 0.55. A sample of 14 parts has a mean length of 76.75. (a) Give a point estimate for μ. (Give your answer correct to two decimal places.) (b) Find the 95% confidence maximum error of estimate for μ. (Give your answer correct to three decimal places.) (c) Find the 95% confidence interval for μ. (Give your answer correct to three decimal places.) Lower Limit Upper Limit
Consider a normal population with the following. (Give your answers correct to two decimal places.) μ...
Consider a normal population with the following. (Give your answers correct to two decimal places.) μ = 26 and σ = 4.6 (a) Calculate the z-score for an x of 20.9. (b) Calculate the z-score for an x of 20.9 from a sample of size 26. (c) Explain how 20.9 can have such different z-scores. x and x belong to the same distribution x and x belong to different distributions
A machine produces parts with lengths that are normally distributed with σ = 0.6. A sample...
A machine produces parts with lengths that are normally distributed with σ = 0.6. A sample of 19 parts has a mean length of 75.28. (a) Give a point estimate for μ. (Give your answer correct to two decimal places.) (b) Find the 98% confidence maximum error of estimate for μ. (Give your answer correct to three decimal places.) (c) Find the 98% confidence interval for μ. (Give your answer correct to three decimal places.) Lower Limit Upper Limit You...
A machine produces parts with lengths that are normally distributed with σ = 0.69. A sample...
A machine produces parts with lengths that are normally distributed with σ = 0.69. A sample of 19 parts has a mean length of 76.89. (a) Give a point estimate for μ. (Give your answer correct to two decimal places.) (b) Find the 98% confidence maximum error of estimate for μ. (Give your answer correct to three decimal places.) (c) Find the 98% confidence interval for μ. (Give your answer correct to three decimal places.) Lower Limit ______ Upper Limit...
Consider a normal population with the following. (Give your answers correct to two decimal places.) μ...
Consider a normal population with the following. (Give your answers correct to two decimal places.) μ = 24.5 and σ = 4 (a) Calculate the z-score for an x of 21.5. (b) Calculate the z-score for an x of 21.5 from a sample of size 22. (c) Explain how 21.5 can have such different z-scores. x and x belong to the same distribution x and x belong to different distributions You may need to use the appropriate table in Appendix...
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.
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...
Problems 1. Given the information: The sampled population is normally distributed with - n 9, 29, and ơ 2. (a) Find the 0.99 confidence interval for μ. (b) Are the assumptions satisfied? (c) Explain the meaning of a 99% confidence level.
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