When a Police Officer Responds to a Call for Help

Multiple Choice

When a police officer responds to a call for help in a case of spousal abuse,what should the officer do? A randomized controlled experiment in Charlotte,North Carolina,studied three police responses to spousal abuse: advise and possibly separate the couple,issue a citation to the offender,and arrest the offender.The effectiveness of the three responses was determined by re-arrest rates.The table below shows these rates. What is the proportion of all cases in which the assigned treatment was "Advise/separate"?

A) 0.29
B) 0.33
C) 0.84
D) 0.88