STATISTICAL TECHNIQUES AND TOOLS
CONFIDENCE INTERVALS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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In a survey of 104 students, it was found that 79 went to the homecoming game this year. Find p-hat first and use z formula with p-hat in it.Calculate a 99% confidence interval for p.
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(0.652, 0.868)
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(0.691, 0.829)
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(0.678, 0.842)
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(0.685, 0.895)
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Explanation:
Detailed explanation-1: -A larger sample size or lower variability will result in a tighter confidence interval with a smaller margin of error. A smaller sample size or a higher variability will result in a wider confidence interval with a larger margin of error.
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