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In 2007, the mean rate of violent crime (per 100,000 people) for 10 regions in the northeast of a certain country was 309. The standard

In 2007, the mean rate of violent crime (per 100,000 people) for 10 regions in the northeast of a certain country was

309. The standard deviation was 111. Assume that the distribution of violent crime rates is unimodal and symmetric. If a northeastern region had a violent crime rate of 72 crimes per 100,000 people, would this be considered unusual? Explain.

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