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:

Insignificant Influence

Refers to a situation where an investor does not have the power to govern the financial and operating policies of an investee, leading to no significant impact on the financial outcomes of the investee.

Net Income

Profit after all expenses, taxes, and deductions are subtracted from total revenue.

Debt Investments

Financial assets representing money lent to others or invested in debt securities.

Acquisition

The process of obtaining control of another company by purchasing its stock, assets, or both.