A Work Sampling Study Is Being Conducted on a Loading

question 17

Multiple Choice

A work sampling study is being conducted on a loading machine in a warehouse.How many observations should be taken if management wants to be 95% confident the estimate is within +6% of the actual proportion of time the loader is busy if management believes the loading machine is in use 70% of the time?

• A)125 observations
• B)175 observations
• C)225 observations
• D)275 observations

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Definitions:

Defence Mechanism

Unconscious psychological strategies brought into play by various entities to manage thoughts and feelings that are perceived as socially unacceptable.

Projection

A psychological defense mechanism in which individuals attribute their own unacceptable thoughts, feelings, or motives to another person.

Attraction

A force that draws individuals together, often used in the context of interpersonal or sexual appeal.

Defence Mechanism

Psychological strategies employed unconsciously to protect oneself from anxiety or confronting unacceptable thoughts or feelings.