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Historically, the proportion of people who trade in their old car to a car dealer when purchasing a new car is 52%. Over the previous 4 months, in a sample of 115 new-car buyers, 59 have traded in their old car. To determine (at the 10% level of significance) whether the proportion of new-car buyers that trade in their old car has statistically significantly decreased, what is the test statistic? (please round your answer to 2 decimal places)

Historically, the proportion of people who trade in their old car to a car dealer when purchasing a new car is 52%. Over the previous 4 months, in a sample of 115 new-car buyers, 59 have traded in their old car. To determine (at the 10% level of significance) whether the proportion of new-car buyers that trade in their old car has statistically significantly decreased, what is the test statistic? (please round your answer to 2 decimal places)

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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Historically, the proportion of people who trade in their old car to a car dealer when purchasing a new car is 52%. Over the previous 4 months, in a sample of 115 new-car buyers, 59 have traded in their old car. To determine (at the 10% level of significance) whether the proportion of new-car buyers that trade in their old car has statistically significantly decreased, what is the test statistic? (please round your answer to 2 decimal places)

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