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![20S R Xn PIXSGJ 0.95 6 PIXSGT 0.05 OxOacn oalk C22 2.167 35 PE 11-681 <x 38-076J PEX 38.076]- PEXS 11.6891 O.95 >0.975-0.025](http://img.homeworklib.com/questions/79a106f0-1c84-11ea-adff-2b05bab722f3.png?x-oss-process=image/resize,w_560)
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Please Help with BOTH 1) 2) Determine the following: (a) The 95th percentile of the chi-squared distribution with v 7...
Determine the following: (a) The 95th percentile of the chi-squared distribution with v = 11 (Round...
Determine the following: (a) The 95th percentile of the chi-squared distribution with v = 11 (Round your answer to three decimal places.) (b) The 5th percentile of the chi-squared distribution with v = 11 (Round your answer to three decimal places.) (c) P(10.283 = x² 35.479), where x? is a chi-squared rv with v = 21 (d) PCX? < 22.465 or x? > 49.802), where x? is a chi-squared rv with v = 35
13. (-/1.13 Points) DETAILS DEVORESTAT7 7.P.044. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER The amount of...
13. (-/1.13 Points) DETAILS DEVORESTAT7 7.P.044. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER The amount of lateral expansion (mils) was determined for a sample of n = 6 pulsed-power gas metal arc welds used in LNG ship containment tanks. The resulting sample standard deviation was s - 2.88 mils. Assuming normality, derive a 95% CI for o? and for o. (Round your answers to two decimal places) Ct for 02 ( mils? Cl foro mils You may need to use...
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 shear strength of each of ten test spot welds is determined, yielding the following data...
The shear strength of each of ten test spot welds is determined, yielding the following data (psi). 364 415 389 367 375 358 409 362 375 365 (a) Assuming that shear strength is normally distributed, estimate the true average shear strength and standard deviation of shear strength using the method of maximum likelihood. (Round your answers to two decimal places.) average psi standard deviation psi (b) Again assuming a normal distribution, estimate the strength value below which 95% of all...
The shear strength of each of ten test spot welds is determined, yielding the following data...
The shear strength of each of ten test spot welds is determined, yielding the following data (psi). 364 415 389 367 375 358 409 362 375 365 (a) Assuming that shear strength is normally distributed, estimate the true average shear strength and standard deviation of shear strength using the method of maximum likelihood. (Round your answers to two decimal places.) average 377.9 psi standard deviation 20.03 x psi (b) Again assuming a normal distribution, estimate the strength value below which...
Please Help with BOTH 1) 2) A CI is desired for the true average stray-load loss...
Please Help with BOTH
1)
2)
A CI is desired for the true average stray-load loss u (watts) for a certain type of induction motor when the line current is held at 10 amps for a speed of 1500 rpm. Assume that stray-load loss is normally distributed with o = 2.6. (Round your answers to two decimal places.) (a) Compute a 95% CI for u when n = 25 and x = 53.0. 1 watts (b) Compute a 95% CI...
Please show all work, I need help. Find the following percentiles for the standard normal distribution....
Please show all work, I need help.
Find the following percentiles for the standard normal distribution. Interpolate where appropriate. (Round your answers to two decimal places.) (a) 91st (b) 9th (c) 75th (d) 25th (e) 10th You may need to use the appropriate table in the Appendix of Tables to answer this question
Please Help with BOTH 1) 2) It is important that face masks used by firefighters be...
Please Help with BOTH
1)
2)
It is important that face masks used by firefighters be able to withstand high temperatures because firefighters commonly work in temperatures of 200-500°F. In a test of one type of mask, 9 of 45 masks had lenses pop out at 250°. Construct a 90% upper confidence limit for the true proportion of masks of this type whose lenses would pop out at 250°. (Round your answers to four decimal places.) You may need to...
Please Help with BOTH 1) 2) An article reported that for a sample of 56 kitchens...
Please Help with BOTH
1)
2)
An article reported that for a sample of 56 kitchens with gas cooking appliances monitored during a one-week period, the sample mean CO2 level (ppm) was 654.16, and the sample standard deviation was 163.36. (a) Calculate and interpret a 95% (two-sided) confidence interval for true average CO2 level in the population of all homes from which the sample was selected. (Round your answers to two decimal places.) ppm Interpret the resulting interval. We are...
Please Help with BOTH 1) 2) Suppose 1 and u2 are true mean stopping distances at...
Please Help with BOTH
1)
2)
Suppose 1 and u2 are true mean stopping distances at 50 mph for cars of a certain type equipped with two different types of braking systems. Use the two-sample t test at significance level 0.01 to test Ho: -210 versus H2: H- 42 < -10 for the following data: m 8, x 114.5, s1 5.04, n 8, y 129.2, and s2 = 5.36. Calculate the test statistic and determine the P-value. (Round your test...
Determine the following: (a) The 95th percentile of the chi-squared distribution with v = 11 (Round your answer to three decimal places.) (b) The 5th percentile of the chi-squared distribution with v = 11 (Round your answer to three decimal places.) (c) P(10.283 = x² 35.479), where x? is a chi-squared rv with v = 21 (d) PCX? < 22.465 or x? > 49.802), where x? is a chi-squared rv with v = 35
13. (-/1.13 Points) DETAILS DEVORESTAT7 7.P.044. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER The amount of lateral expansion (mils) was determined for a sample of n = 6 pulsed-power gas metal arc welds used in LNG ship containment tanks. The resulting sample standard deviation was s - 2.88 mils. Assuming normality, derive a 95% CI for o? and for o. (Round your answers to two decimal places) Ct for 02 ( mils? Cl foro mils You may need to use...
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 shear strength of each of ten test spot welds is determined, yielding the following data (psi). 364 415 389 367 375 358 409 362 375 365 (a) Assuming that shear strength is normally distributed, estimate the true average shear strength and standard deviation of shear strength using the method of maximum likelihood. (Round your answers to two decimal places.) average psi standard deviation psi (b) Again assuming a normal distribution, estimate the strength value below which 95% of all...
The shear strength of each of ten test spot welds is determined, yielding the following data (psi). 364 415 389 367 375 358 409 362 375 365 (a) Assuming that shear strength is normally distributed, estimate the true average shear strength and standard deviation of shear strength using the method of maximum likelihood. (Round your answers to two decimal places.) average 377.9 psi standard deviation 20.03 x psi (b) Again assuming a normal distribution, estimate the strength value below which...
Please Help with BOTH
1)
2)
A CI is desired for the true average stray-load loss u (watts) for a certain type of induction motor when the line current is held at 10 amps for a speed of 1500 rpm. Assume that stray-load loss is normally distributed with o = 2.6. (Round your answers to two decimal places.) (a) Compute a 95% CI for u when n = 25 and x = 53.0. 1 watts (b) Compute a 95% CI...
Please show all work, I need help.
Find the following percentiles for the standard normal distribution. Interpolate where appropriate. (Round your answers to two decimal places.) (a) 91st (b) 9th (c) 75th (d) 25th (e) 10th You may need to use the appropriate table in the Appendix of Tables to answer this question
Please Help with BOTH
1)
2)
It is important that face masks used by firefighters be able to withstand high temperatures because firefighters commonly work in temperatures of 200-500°F. In a test of one type of mask, 9 of 45 masks had lenses pop out at 250°. Construct a 90% upper confidence limit for the true proportion of masks of this type whose lenses would pop out at 250°. (Round your answers to four decimal places.) You may need to...
Please Help with BOTH
1)
2)
An article reported that for a sample of 56 kitchens with gas cooking appliances monitored during a one-week period, the sample mean CO2 level (ppm) was 654.16, and the sample standard deviation was 163.36. (a) Calculate and interpret a 95% (two-sided) confidence interval for true average CO2 level in the population of all homes from which the sample was selected. (Round your answers to two decimal places.) ppm Interpret the resulting interval. We are...
Please Help with BOTH
1)
2)
Suppose 1 and u2 are true mean stopping distances at 50 mph for cars of a certain type equipped with two different types of braking systems. Use the two-sample t test at significance level 0.01 to test Ho: -210 versus H2: H- 42 < -10 for the following data: m 8, x 114.5, s1 5.04, n 8, y 129.2, and s2 = 5.36. Calculate the test statistic and determine the P-value. (Round your test...
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