Part III: The following question requires hand calculations. Besure to show ALL work and round final answers appropriately. YouMUST show all work in order to receive full points.
Z-scores (20 points total)
The average age reported for onset into delinquent activity forthe population of prison inmates is 12 with a standard deviation of2.4. Based on this information and assuming the population isnormally distributed:
Z=(X-µ)/s
An inmate's age of one set is 17. Is he in the top 15% of ages?(5 points)
