CREATE TABLE table_7018 ("Year" TEXT, "Team" TEXT, "SckY" TEXT, "Int%" TEXT, "Rate" TEXT, "RAtt" TEXT, "RYds" TEXT, "RAvg" TEXT, "RLng" TEXT, "R1st" TEXT)

What is the int percentage that has Ravg of 2.8?
SELECT "Int%" FROM table_7018 WHERE "RAvg" = '2.8'
SELECT "Int%" FROM "table_7018" WHERE "RAvg" = '2.8'