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An article gave the following observations on maximum concrete pressure (kN/m²). 33.3 41.9 37.4 40.3 36.7 39.2 36.3 41.9 36.0 35.2 36.8 38.9 35.8 35.3 40.1 (a) Is it plausible that this sample was selected from a normal population distribution? O Because of the number of observations, we ascertain that it is not plausible that this sample was taken from distribution. O Using a normal probability plot, we ascertain that it is not plausible that this sample was taken from a normal population distribution. Using a normal probability plot, we ascertain that it is plausible that this sample was taken from a normal population distribution. O Because of the number of observations, we ascertain that it is plausible that this sample was taken from a normal population distribution. normal population (b) Calculate an upper confidence bound with confidence level 95% for the population standard deviation of maximum pressure. (Round your answer to three decimal places.) x

An article gave the following observations on maximum concrete pressure (kN/m²). 33.3 41.9 37.4 40.3 36.7 39.2 36.3 41.9 36.0 35.2 36.8 38.9 35.8 35.3 40.1 (a) Is it plausible that this sample was selected from a normal population distribution? O Because of the number of observations, we ascertain that it is not plausible that this sample was taken from distribution. O Using a normal probability plot, we ascertain that it is not plausible that this sample was taken from a normal population distribution. Using a normal probability plot, we ascertain that it is plausible that this sample was taken from a normal population distribution. O Because of the number of observations, we ascertain that it is plausible that this sample was taken from a normal population distribution. normal population (b) Calculate an upper confidence bound with confidence level 95% for the population standard deviation of maximum pressure. (Round your answer to three decimal places.) x

Calculus For The Life Sciences
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.3: Special Probability Density Functions
Problem 8E
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An article gave the following observations on maximum concrete pressure (kN/m²). 33.3 41.9 37.4 40.3 36.7 39.2 36.3 41.9 36.0 35.2 36.8 38.9 35.8 35.3 40.1 (a) Is it plausible that this sample was selected from a normal population distribution? Because of the number of observations, we ascertain that it is not plausible that this sample was taken from a normal population distribution. Using a normal probability plot, we ascertain that it is not plausible that this sample was taken from a normal population distribution. Using a normal probability plot, we ascertain that it is plausible that this sample was taken from a normal population distribution. Because of the number observations, we ascertain that it is plausible that this sample was taken from a normal population distribution. (b) Calculate an upper confidence bound with confidence level 95% for the population standard deviation of maximum pressure. (Round your answer to three decimal places.) X
Transcribed Image Text:An article gave the following observations on maximum concrete pressure (kN/m²). 33.3 41.9 37.4 40.3 36.7 39.2 36.3 41.9 36.0 35.2 36.8 38.9 35.8 35.3 40.1 (a) Is it plausible that this sample was selected from a normal population distribution? Because of the number of observations, we ascertain that it is not plausible that this sample was taken from a normal population distribution. Using a normal probability plot, we ascertain that it is not plausible that this sample was taken from a normal population distribution. Using a normal probability plot, we ascertain that it is plausible that this sample was taken from a normal population distribution. Because of the number observations, we ascertain that it is plausible that this sample was taken from a normal population distribution. (b) Calculate an upper confidence bound with confidence level 95% for the population standard deviation of maximum pressure. (Round your answer to three decimal places.) X
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