An observational study for diabetes was performed at three different sites: Alabama, Massachusetts, and Idaho. Alabama recruited 50% of the study subjects, Massachusetts 35%, and Idaho the remainder. The rate of diabetes (i.e., proportion of study subjects with diabetes) was 15% in Alabama, 8% in Massachusetts, and 10% in Idaho. What percentage of the study did Idaho recruit? Express your answer as a percent with one decimal place, (e.g., 21.1%). Select the range that includes your