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4. 0-9.09 points JKEStat11 8.E.025 The sampled population is normally distributed, with the given information. (Give...
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.
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
5. -9.09 points JKEStat11 8 E 035 A machine produces parts with lengths that are normally...
5. -9.09 points JKEStat11 8 E 035 A machine produces parts with lengths that are normally distributed with ơ-0.62. A sample of 13 parts has a mean length of 76.33. (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 p. (Give your answer correct to three decimal places.) (c) Find the 95% confidence interval for Lower Limit . (Give your answer correct to three...
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.
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.
8.0-9.09 points JKEStat11 8.Ε.094 Assume that z is the test statistic. (Give your answers correct to...
8.0-9.09 points JKEStat11 8.Ε.094 Assume that z is the test statistic. (Give your answers correct to two decimal places.) (a) Calculate the value of Z for Ho, μ-51, σ 4.3, n-38, x 50.3. (b) Calculate the value of z for Ho: μ = 20, σ = 3.7, n = 78, x = 21.8. (c) Calculate the value of z for Ho: μ 138.5, σ 4.4, n 18, x-: 141.19 (d) Calculate the value of Z for Ho: μ 815, σ...
1 0 -9.09 points JKEStat11 &E 016 Find the level of confidence assigned to an interval...
1 0 -9.09 points JKEStat11 &E 016 Find the level of confidence assigned to an interval estimate of the mean formed using the following intervals. (Round your answers to four decimal places.) (a) x-1.07-oi to x + 1.07-o (b) x-1.68.叮to x + 1.68 (c) x-2.18-oǐ tox + 2.18 (d) x-2.62 to x + 2.62. You may need to use the appropriate table in Appendix B to answer this question. Need Help? Eman
please answer 5 and 6 ASK YOUR TEACHER |-/2 POINTS MY NOTES DEVORESTAT9 7..044. The amount...
please answer 5 and 6
ASK YOUR TEACHER |-/2 POINTS MY NOTES DEVORESTAT9 7..044. The amount of lateral expansion (mils) was determined for a sample of n - 7 pulsed-power gas metal arc welds used in LNG ship containment tanks. The resulting sample standard deviation was s = 2.84 mils. Assuming normality, derive a 3% CI for o? and for 0. (Round your answers to two decimal places.) CI for op CI for o ) mils mils2 You may need...
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.
5. -9.09 points JKEStat11 8 E 035 A machine produces parts with lengths that are normally distributed with ơ-0.62. A sample of 13 parts has a mean length of 76.33. (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 p. (Give your answer correct to three decimal places.) (c) Find the 95% confidence interval for Lower Limit . (Give your answer correct to three...
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.
8.0-9.09 points JKEStat11 8.Ε.094 Assume that z is the test statistic. (Give your answers correct to two decimal places.) (a) Calculate the value of Z for Ho, μ-51, σ 4.3, n-38, x 50.3. (b) Calculate the value of z for Ho: μ = 20, σ = 3.7, n = 78, x = 21.8. (c) Calculate the value of z for Ho: μ 138.5, σ 4.4, n 18, x-: 141.19 (d) Calculate the value of Z for Ho: μ 815, σ...
1 0 -9.09 points JKEStat11 &E 016 Find the level of confidence assigned to an interval estimate of the mean formed using the following intervals. (Round your answers to four decimal places.) (a) x-1.07-oi to x + 1.07-o (b) x-1.68.叮to x + 1.68 (c) x-2.18-oǐ tox + 2.18 (d) x-2.62 to x + 2.62. You may need to use the appropriate table in Appendix B to answer this question. Need Help? Eman
please answer 5 and 6
ASK YOUR TEACHER |-/2 POINTS MY NOTES DEVORESTAT9 7..044. The amount of lateral expansion (mils) was determined for a sample of n - 7 pulsed-power gas metal arc welds used in LNG ship containment tanks. The resulting sample standard deviation was s = 2.84 mils. Assuming normality, derive a 3% CI for o? and for 0. (Round your answers to two decimal places.) CI for op CI for o ) mils mils2 You may need...
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