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[Steps Shown] To determine whether high blood pressure affected whether a person had a stroke, a sample of 300 people who had had strokes are examined.

Question: To determine whether high blood pressure affected whether a person had a stroke, a sample of 300 people who had had strokes are examined. In the sample, 37% had high blood pressure a) Determine a 99% confidence interval for the proportion of people who had a stroke that had high blood pressure

b) Test the hypothesis at the 10% level of significance that at least 33% of the people who have had strokes have had high blood pressure

c) What is the p-value?

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[Steps Shown] To determine whether high blood pressure affected whether a person had a stroke, a sample of 300 people who had had strokes are examined.

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