To determine whether high blood pressure affected whether a person had a stroke,

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. If we were to 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, what is the null and alternative hypothesis?

Explanation / Answer

Null hypothesis: p=0.33

Alternative hypothesis: p>0.33

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