Determine If the Outcome Is Unusual $\mu - 2 \sigma$ Or Greater Than

question 28

Multiple Choice

Determine if the outcome is unusual. Consider as unusual any result that differs from the mean by more than 2 standard deviations. That is, unusual values are either less than $\mu - 2 \sigma$ or greater than $\mu + 2 \sigma$ .
-According to AccuData Media Research, 36% of televisions within the Chicago city limits are tuned to "Eyewitness News" at 5:00 pm on Sunday nights. At 5:00 pm on a given Sunday, 2500 such televisions are randomly selected and checked to determine what is being watched. Would it be unusual to find that 986 of the 2500 televisions are tuned to "Eyewitness News"?

• A)Yes
• B)No

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Definitions:

Cleaning

The process of removing contaminants, dirt, and impurities from objects and environments, often for maintaining health and hygiene.

Custodial Work

The cleaning, maintenance, and upkeep tasks performed to manage and maintain buildings and facilities.

Activity-Based Costing

A method of accounting that allocates costs to specific products or services based on the resources they consume.

Activity Rates

In activity-based costing, the costs assigned to goods and services based on the specific activities and resources that go into their production or delivery.