The recidivism rate for convicted sex offenders is 9%. A warden suspects that this percent is higher if the sex offender is also a drug addict. Of the 347 convicted sex offenders who were also drug...

The recidivism rate for convicted sex offenders is 9%.  A warden suspects that this percent is higher if the sex offender is also a drug addict. Of the 347 convicted sex offenders who were also drug addicts, 42 of them became repeat offenders. What can be concluded at the αα = 0.10 level of significance?