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Suppose you’re a doctor and you read a headline in a newspaper that says a particular...

Suppose you’re a doctor and you read a headline in a newspaper that says a particular dietary supplement decreases blood pressure with p = 0.01. The supplement is generally safe but sometimes causes unpleasant side effects. Assuming this is all you know, what would the null hypothesis be for the blood pressure supplement study described above?

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Answer #1

We need to test if proportion of decrement is equal to 0.01. Hence,

Null hypothesis will be:

Ho: p = 0.01

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