Essay
Use the following sample data to answer the next questions. Tracking
misdiagnoses by Emergency Room doctors, a sample of 200 patients revealed that
45 patients were misdiagnosed with indigestion instead of a heart attack. Use the
Sign test with a .05 significance level to test the claim that physicians correctly
diagnose a majority of heart attacks.
-State a conclusion about the null hypothesis and a final conclusion that addresses the original claim.
Correct Answer:

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Reject
. The sample data supp...View Answer
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Correct Answer:
Verified
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