In the table below the miles per gallon of 2007 Ford Taurus car is shown for 13 different owners. Treat the sample as a simple random sample of all 2007 Ford Taurus cars. a. Construct a 95% confidence interval for the mean miles per gallon of a 2007 Ford Taurus. Interpret the interval. 28.5 26.0 21.7 26.3 18.8 24.0 23.4 23.8 23.5 26.1 28.4 18.0 25.2 b. How large a sample is required to estimate the mean miles per gallon with 0.5 mile per gallon with 95% confidence?

In the table below the miles per gallon of 2007 Ford Taurus car is shown for 13 different owners. Treat the sample as a simple random sample of all 2007 Ford Taurus cars. a. Construct a 95% confidence interval for the mean miles per gallon of a 2007 Ford Taurus. Interpret the interval. 28.5 26.0 21.7 26.3 18.8 24.0 23.4 23.8 23.5 26.1 28.4 18.0 25.2 b. How large a sample is required to estimate the mean miles per gallon with 0.5 mile per gallon with 95% confidence?

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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