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

question 153

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 $\mu + 2 \sigma$
-A survey for brand recognition is done and it is determined that 68% of consumers have heard of Dull Computer Company. A survey of 800 randomly selected consumers is to be conducted. For such groups of 800,
Would it be unusual to get 494 consumers who recognize the Dull Computer Company name?

• A) Yes
• B) No

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Definitions:

Parenthetical Expression

An additional piece of information inserted into a sentence as a non-essential element, often marked by parentheses.

Indirect Approach

A communication strategy where the main point is not stated directly at the beginning but is hinted at or presented later in the message.

Buffer

A temporary storage area or a means to mitigate or soften a negative impact.

Open Messages

Communications that are straightforward and transparent, often encouraging dialogue and feedback.