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AP Statistics MathXL Questions

Statistics
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A very large study showed that aspirin reduced the rate of first heart attacks by 48%.A pharmeceutical company thinks it has a drug that will be more effective than aspirin, an plans to do a randomized clinical trial to test the new drug.

What is the null hypothesis the company will use? A)The new drug is more effective than aspirin. B)The new drug is not more effective than aspirin. C)The new drug is less effective than aspirin. D)The new drug is as effective as aspirin.

Jan 31st, 2015

D)The new drug is as effective as aspirin.

Jan 31st, 2015

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Jan 31st, 2015
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Jan 31st, 2015
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