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:

Basilar Membrane

A structure in the cochlea of the inner ear that plays a key role in the sense of hearing by vibrating in response to sound.

Sound Wave

A type of pressure wave generated by vibrating objects, traveling through a medium like air or water and capable of being heard when they reach a sentient being's ear.

Cochlea

A spiral-shaped cavity in the inner ear that plays a crucial role in the sense of hearing by converting sound vibrations into nerve impulses.

Ossicles

Three small bones in the middle ear that help in transmitting sound vibrations from the air to the fluid-filled cochlea.