A recent study asked U.S. adults to name 10 historic events that occurred in their lifetime that have had the greatest impact on the country. The most frequently chosen answer was the September 11, 2001, terrorist attacks, which was included by 76% of the 2025 randomly selected U.S. adults. Construct and interpret a 95% confidence interval for the proportion of all U.S. adults who would include the 9/11 attacks on their list of 10 historic events

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A: Point estimate=0.81

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A: Given, The sample proportion is,

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A:

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Q: Define the confidence level?

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A: Let n=sample size, X=number of Carry disease. p^=x/n  X=167, n=200

Q: In statistics, what is a Confidence Interval and how confidence intervals are used in research

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A:

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Q: abulated below: Males Females American Football more iolent ce hockey more iolent 434 361 466 439

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Q: What are two ways to get a narrower confidence interval for a proportion?

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A:

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A: