We Can Use the Normal Distribution to Make Confidence Interval

question 55

Multiple Choice

We can use the normal distribution to make confidence interval estimates for the population proportion, p, when​

• A) ​np > 5.
• B) ​n(1 - p) > 5.
• C) ​p has a normal distribution.
• D) ​both np > 5 and n(1 - p) > 5.

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Definitions:

Bruit

An abnormal sound or murmur heard during auscultation, often indicative of a narrowing or blockage in an artery.

Bell of the Stethoscope

The concave part of a stethoscope used for listening to low-frequency sounds in the body.

Criterion-related Validity

The extent to which a test predicts or correlates with an outcome of interest, indicating its practical usefulness.