Among a Sample of 50 M

question 106

Short Answer

Among a sample of 50 M.D.'s (medical doctors) in the city of Memphis, Tennessee, 10 indicated they make house calls; while among a sample of 100 M.D.'s in Atlanta, Georgia, 18 said they make house calls. Determine a 95% interval estimate for the difference between the proportion of doctors who make house calls in the two cities.

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Definitions:

Diastole

The stage of the cardiac cycle during which the heart muscle unwinds and the chambers are permitted to be replenished with blood.

Systole

The phase of the heartbeat during which the heart contracts and pumps blood from the chambers into the arteries.

ECG

Electrocardiogram, a test that measures the electrical activity of the heart to show whether or not it is working normally.

Electrical Events

Activities or processes in the body that involve the flow or movement of electrical charges, such as nerve impulses and muscle contractions.