4.- Customers who arrive at a gas station have complained to Profeco that they receive less gasoline than what is marked on the meter. Profeco sends a supervisor to check the pump. At the gas station pump the supervisor makes 10 measurements in 20 l jugs: 20.5, 19.99, 20.0, 20.3, 19.90, 20.05, 19.79, 19.85, 19.95 and 20.15. If it assumes normality in the measurements of 20 l With 95% confidence: a) Construct a confidence interval for the mean gasoline content of the jugs, suppose that at 0.14 l b) Construct a confidence interval for the mean gasoline content of the jugs, if \sigma is not known.
4.- Customers who arrive at a gas station have complained to Profeco that they receive less gasoline than what is marked on the meter. Profeco sends a supervisor to check the pump. At the gas station pump the supervisor makes 10 measurements in 20 l jugs: 20.5, 19.99, 20.0, 20.3, 19.90, 20.05, 19.79, 19.85, 19.95 and 20.15. If it assumes normality in the measurements of 20 l With 95% confidence: a) Construct a confidence interval for the mean gasoline content of the jugs, suppose that at 0.14 l b) Construct a confidence interval for the mean gasoline content of the jugs, if \sigma is not known.
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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4.- Customers who arrive at a gas station have complained to Profeco that they receive less gasoline than what is marked on the meter.
Profeco sends a supervisor to check the pump. At the gas station pump the supervisor makes 10 measurements in 20 l jugs: 20.5, 19.99, 20.0, 20.3, 19.90, 20.05, 19.79, 19.85, 19.95 and 20.15. If it assumes normality in the measurements of 20 l
With 95% confidence:
a) Construct a confidence interval for the
b) Construct a confidence interval for the mean gasoline content of the jugs, if \sigma is not known.
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