It Has Been Hypothesized That on Average Employees Spend One $\alpha$

question 96

Multiple Choice

It has been hypothesized that on average employees spend one hour a day playing video games at work.To test this at her company,a manager takes a random sample of 35 employees who showed a mean time of 55 minutes per day with a standard deviation of 5 minutes.Calculate a confidence interval to test the hypotheses at $\alpha$ = .02.

• A)[52.39 57.61]
• B)[53.03 56.97]
• C)[52.82 57.18]
• D)[53.34 56.66]
• E)[52.46 57.54]

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Definitions:

Compression Test

A diagnostic procedure used to determine the condition of an engine's cylinders by measuring the pressure they can produce.

Low-Compression

Refers to an engine condition where there is insufficient compression in the combustion chambers, leading to reduced power and efficiency.

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A specialized fluid used in automatic transmissions to lubricate, cool, and transfer power within the transmission system.

Power Steering Fluid

A specially formulated hydraulic fluid used in the power steering system to transmit power and reduce friction.