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The table below summarizes the test results on the accuracy of polygraph tests. Use a 5% margin of error to prove that an individual lie

The table below summarizes the test results on the accuracy of polygraph tests. Use a 5% margin of error to prove that an individual lie is independent of what the polygraph indicates. What do you suggest these results on the effectiveness of the polygraph?

Polygraph truth		Polygraph Lie
The subject tells the truth6515
Subject lie317

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