Chapter 10: Statistics Numbers in the Real World

Stop Crime

Crime Stoppers International, Inc., reported the following information as of July 1, 1997:

 International Statistics as of: 1 July 1997

 Based on: 888 Reporting Programs

Cases Cleared	636,023
Rewards Paid	$41,924,496
Property Recovered	$1,053,655,455
Narcotics Recovered	$2,322,606,544
Total Dollars Recovered	$3,376,261,999
Total Prosecutions	137,682
Total Convictions	116,909
Restitutions Paid	$3,803,981
Homicides Cleared	8,334

What percentage of cases cleared were homicides? 
What percentage of cases cleared resulted in a prosecution? 
At that rate, how many cases would have to be cleared in order to prosecute 150,000? 

What are the odds that a prosecution will lead to a conviction? 

What was the ratio of narcotics recovered to total dollars recovered? 
What was the average restitution paid per case cleared? 

What was the average reward paid per case cleared? 
How many cleared cases did each reporting station average?