Without computing a confidence interval, make a statistical inference about the larger population from which the following sample was selected: Sample statistics from a large random sample indicate that 30% of drug court participants were "drug free" after completing this drug program (psample=30%). Tin Atti 20 Drug courts are largely ineffective for the vast majority of drug offenders. Drug courts are effective for a vast majority of drug offenders.. If we take into account sampling error, we would conclude that drug court is effective for the majority of drug offenders