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The Practice of Statistics | 5th Edition | ISBN: 9781464108730 | Authors: Daren S. Starnes, Josh Tabor
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Better parking A local high school makes a change that should improve student

Chapter 9, Problem 39

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Better parking A local high school makes a change that should improve student satisfaction with the parking situation. Before the change, 37% of the schools students approved of the parking that was provided. After the change, the principal surveys an SRS of 200 of the over 2500 students at the school. In all, 83 students say that they approve of the new parking arrangement. The principal cites this as evidence that the change was effective. Perform a test of the principals claim at the a = 0.05 significance level.

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QUESTION:

Better parking A local high school makes a change that should improve student satisfaction with the parking situation. Before the change, 37% of the schools students approved of the parking that was provided. After the change, the principal surveys an SRS of 200 of the over 2500 students at the school. In all, 83 students say that they approve of the new parking arrangement. The principal cites this as evidence that the change was effective. Perform a test of the principals claim at the a = 0.05 significance level.

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