ze (name mic ions. phosphate remaining 10% were underclassmen (freshmen and sophomores). Of those in favor of IDs, 20% were seniors cards (IDs) on campus. Of those against the ID requirement, 60% were seniors, 30% were juniors, and the 1. A recent census found that 40% of students are against the idea of requiring students to carry identification Y GUIDE Soluble a. Construct a table or draw a tree diagram that summarizes this situation. E. Mean = 30 minutes; Standard deviation = 8 minutes be insol Pb; exa will not d and 50% were underclassmen. example ley will n Part II. Free Response n the S sulfide