A Survey Claims That 9 Out of 10 Doctors Recommend

question 99

Multiple Choice

A survey claims that 9 out of 10 doctors recommend aspirin for their patients with headaches.To
Test this claim, a random sample of 100 doctors results in 83 who indicate that they recommend
Aspirin.Which of the following tests will you perform?

• A) t test for the mean.
• B) Z test for the proportion.
• C) Pooled-variance t test.
• D) Separate-variance t test.

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Definitions:

Diastole

The phase of the heartbeat when the heart muscle relaxes and allows the chambers to fill with blood.

Systole

The phase of the heartbeat where the heart muscle contracts and pumps blood from the chambers into the arteries.

Aortic Area

An anatomical region of the chest where the aorta is closest to the chest wall, often used in cardiovascular assessments.

Apical Pulse

The measurement of the heart rate at the apex of the heart, typically done through auscultation with a stethoscope placed on the chest.