10. Journal Science and Technology published a study on the ammonia levels in the air near an exit ramp of a highway tunnel in the state of Selangor. The data in the table represent daily ammonia concentrations (in unit) on twelve randomly selected days in June 2011. 1.55 1.42 1.48 1.47 | 1.41 1.49 1.53 1.37 1.51 1.40 1.50 1.45 a) Construct a 99% confidence interval for mean daily ammonia level in the tunnel assuming that the ammonia level follows a normal distribution with variance of 0.25 unit?. b) Construct a 99% confidence interval for mean daily ammonia level in the tunnel assuming. that the ammonia level follows a normal distribution. c) Construct a 95% confidence interval for the standard deviation of daily ammonia level in the tunnel.

10. Journal Science and Technology published a study on the ammonia levels in the air near an exit ramp of a highway tunnel in the state of Selangor. The data in the table represent daily ammonia concentrations (in unit) on twelve randomly selected days in June 2011. 1.55 1.42 1.48 1.47 | 1.41 1.49 1.53 1.37 1.51 1.40 1.50 1.45 a) Construct a 99% confidence interval for mean daily ammonia level in the tunnel assuming that the ammonia level follows a normal distribution with variance of 0.25 unit?. b) Construct a 99% confidence interval for mean daily ammonia level in the tunnel assuming. that the ammonia level follows a normal distribution. c) Construct a 95% confidence interval for the standard deviation of daily ammonia level in the tunnel.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter4: Equations Of Linear Functions

Section4.5: Correlation And Causation

Problem 2AGP

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