Form the intersection for the following sets. r = {10, 15, 20} s = {20, 25} r ∩ s = a.{ } b.{10, 15, 25} c.{20} d.{10, 15, 20, 25}

Of the 27 players trying out for the school basketball team, 8 are more than 6 feet tall and 7 have good aim. what is the probability that the coach would randomly pick a player over 6 feet tall or a player with a good aim? assume that no players over 6 feet tall have good aim. a. b. c. d.