STATISTICAL TECHNIQUES AND TOOLS
CONFIDENCE INTERVALS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A sample of 400 racing cars showed that 80 cars cost over $700, 000. What is the 99% confidence interval of the true proportion of cars costing over $700, 000?
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0.001 < p < 0.005
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0.566 < p < 0.693
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0.148 < p < 0.252
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0.023 < p < 0.045
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Explanation:
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