The Mean Attention Span for Adults in a Certain Village

question 43

Multiple Choice

The mean attention span for adults in a certain village is 15 minutes with a standard deviation of 6.4. What is the probability of randomly selecting a sample of 30 scores from this population that has a mean attention span equal to or greater than 17 minutes?

• A) 0.3783
• B) 0.0436
• C) 0.0446
• D) 0.4564

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Definitions:

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