A Time-Study Analyst Has Found the Select Time for a Work

question 28

Multiple Choice

A time-study analyst has found the select time for a work element to be 14.0 minutes,with a sample standard deviation of 3.2 minutes.What is the minimum sample size needed if the estimate is to be within 4 percent of the average 95 percent of the time?

• A) Fewer than 100
• B) Greater than or equal to 100 but fewer than 140
• C) Greater than or equal to 140 but fewer than 180
• D) Greater than or equal to 180

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Definitions:

Critical Mass

The minimum amount of fissile material needed to maintain a nuclear chain reaction or the minimum size or amount required for something to maintain or expand.

Extinction

The process through which a species, family, or larger group of organisms becomes permanently absent or dies out from the Earth.

Communal Professions

Occupations that are associated with relationships.

Agentic

Pertaining to the ability of individuals to act independently and make their own free choices, influencing their own life circumstances.