A Survey Claims That 9 Out of 10 Doctors Recommend

question 143

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:

Radial Artery

A major artery in the forearm that supplies blood to the lateral aspect of the hand and is commonly used for checking the pulse.

Deep Femoral Artery

A large branch of the femoral artery that supplies blood to the deep structures of the thigh.

Pulmonary Vein

A large blood vessel that carries oxygenated blood from the lungs to the left atrium of the heart.

Pulmonary Artery

A major artery in the body that transports deoxygenated blood from the heart to the lungs for oxygenation.