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The following question requires hand calculations. Be sure to show ALL work and round final answers appropriately. You MUST show all work in order to
The following question requires hand calculations. Be sure to show ALL work and round final answers appropriately. You MUST show all work in order to receive full points.
Z-scores (20 points total)
The average age reported for onset into delinquent activity for the population of prison inmates is 12 with a standard deviation of 2.4. Based on this information and assuming the population is normally distributed:
Z=(X-)/s
What percentage of inmates had an age of onset greater than 19? (5 points)
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