A Work Sampling Study Requires an Acceptable Error Level of 10

question 30

Multiple Choice

A work sampling study requires an acceptable error level of 10% and z = 2 for 95.45% confidence. The adequate sample size is ________ if the sample proportion is thought to be as large as 50%, but ________ if the sample proportion is thought to be about 20%.

• A) 50;20
• B) 100; 64
• C) 100; 16
• D) 20; 50
• E) cannot be determined from the information given

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Definitions:

Becomes Rapid

Accelerates in speed or activity.

Blood pH

The measure of the acidity or alkalinity of blood, crucial for maintaining essential physiological processes, typically kept within a very narrow range.

Hydrogen Ion Concentration

A measure of the acidity or alkalinity of a solution, determined by the concentration of hydrogen ions present; it influences the pH level of the solution.

Bicarbonate Ions

Anions resulting from the dissociation of carbonic acid, serving an important role in buffering acids and bases in the body.