Use the Following Sample Data to Answer the Next Questions

question 4

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.

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Definitions:

New Buy

In a B2B setting, a purchase of a good or service for the first time; the buying decision is likely to be quite involved because the buyer or the buying organization does not have any experience with the item.

Straight Rebuy

Refers to when the buyer or buying organization simply buys additional units of products that have previously been purchased.

Wholesaler

A business entity that purchases goods in large quantities from manufacturers or importers and sells them in smaller quantities to retailers or other businesses.

Fresh Farms

Typically refers to agricultural operations focused on producing and providing fresh, locally-sourced produce directly to consumers.