For a Normal Distribution Curve with a Mean of 15

question 45

Multiple Choice

For a normal distribution curve with a mean of 15 and a standard deviation of 5, which range of the variable defines an area under the curve corresponding to a probability of
Approximately 68%?

• A) from 10 to 20
• B) from 5 to 25
• C) from 15 to 25
• D) from 12.5 to 17.5

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Definitions:

Illegal Drugs

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