Consider a Normally Distribution Population with Known Variance

question 132

Multiple Choice

Consider a normally distribution population with known variance.The width of a 99% confidence interval for the population mean will be _______ the width of a 95% confidence interval for the population mean:

• A)less than
• B)equal to
• C)greater than
• D)4% larger than
• E)4% smaller than

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Definitions:

Involuntary Reflex Responses

Automatic, rapid responses of the nervous system to a stimulus that do not require conscious thought, protecting the body from harm.

Group Mean

A statistical measure that represents the average value of data points within a specified set or group.

Average Reaction Time

The typical duration it takes for an individual to respond to a stimulus.

Voluntary Reaction

involves conscious control over actions or movements, such as deciding to grab a cup of coffee.