A Supermarket Administrator Suspects That Idle Time Is About 20

question 60

Multiple Choice

A supermarket administrator suspects that idle time is about 20 percent for the cashier and 15 percent for the office clerk.If the administrator wants a 95 percent confidence level (z = 1.96) and a degree of precision of + 0.05 for both cashier and office clerk,how many TOTAL observations are needed?

• A)fewer than or equal to 200
• B)greater than 200 but fewer than or equal to 300
• C)greater than 300 but fewer than or equal to 400
• D)greater than 400

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Definitions:

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Ethical Thinking involves reflecting on moral principles and values to guide behavior and decisions in a manner considered right and good.

Mathematical Functions

Mathematical expressions that describe the relationship between sets of numbers or variables, typically resulting in a single output for each input.

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A formal assessment where an employee's work performance is evaluated, typically annually, to provide feedback and guide future professional development.

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The ability to operate and perform tasks on a computer or digital device efficiently.