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3. A taxi company claims that its drivers have an average of at least 12.4 years' experience. In a study of 15 taxi drivers, the average experience was 11.2 years. The standard deviation was 2. At a 0.10, is the number of years' experience of the taxi drivers really less than the taxi company claimed. a. State the hypotheses and identify the claim. b. Identify the statistical test to be used. c. Find for the critical value(s). d. Sketch a curve with the rejection and non-rejection region. e. Computer for the test value. f. Make the decision. g. Interpret the results.

3. A taxi company claims that its drivers have an average of at least 12.4 years' experience. In a study of 15 taxi drivers, the average experience was 11.2 years. The standard deviation was 2. At a 0.10, is the number of years' experience of the taxi drivers really less than the taxi company claimed. a. State the hypotheses and identify the claim. b. Identify the statistical test to be used. c. Find for the critical value(s). d. Sketch a curve with the rejection and non-rejection region. e. Computer for the test value. f. Make the decision. g. Interpret the results.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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3. A taxi company claims that its drivers have an average of at least 12.4 years' experience. In a study of 15 taxi drivers, the average experience was 11.2 years. The standard deviation was 2. At a 0.10, is the number of years' experience of the taxi drivers really less than the taxi company claimed. a. State the hypotheses and identify the claim. b. Identify the statistical test to be used. c. Find for the critical value(s). d. Sketch a curve with the rejection and non-rejection region. e. Computer for the test value. f. Make the decision. g. Interpret the results.
Transcribed Image Text:3. A taxi company claims that its drivers have an average of at least 12.4 years' experience. In a study of 15 taxi drivers, the average experience was 11.2 years. The standard deviation was 2. At a 0.10, is the number of years' experience of the taxi drivers really less than the taxi company claimed. a. State the hypotheses and identify the claim. b. Identify the statistical test to be used. c. Find for the critical value(s). d. Sketch a curve with the rejection and non-rejection region. e. Computer for the test value. f. Make the decision. g. Interpret the results.
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