Which of the following angle pairs formed by a transversal that intersects two parallel lines are not congruent? (A) alternate interior angles, (B) adjacent angles, (C) corresponding angles, (D) alternate exterior angles

The evening newspaper is delivered at a random time between 5: 30 and 6: 30 pm. dinner is at a random time between 6: 00 and 7: 00 pm. each spinner is spun 30 times and the newspaper arrived 19 times before dinner. determine the experimental probability of the newspaper arriving before dinner.