A Normal Population Has 99

question 228

Multiple Choice

A normal population has 99.73 percent of the population measurements within _____ standard deviations of the mean.

• A)one
• B)two
• C)three
• D)four
• E)five

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Definitions:

Random sample

A subset of individuals chosen from a larger set where each member has an equal chance of being selected.

Population proportion

The proportion of a specific group or characteristic within a defined population.

Margin of error

An indicator of the precision of an estimate, representing the range within which the true population parameter is expected to lie with a certain confidence level.

Confidence interval

A reach of numerical outputs, from sampling statistics, with the potential to cover the hidden value of a population parameter.