5. Assume that a study of 500 randomly selected school bus routes showed that 482 arrived on time. (8 points)
Is it “unusual” for a school bus to arrive late? (Hint: an event is considered “unusual” if its probability is less than or equal to 0.05)

Luke started a weight-loss program. the first week, he lost x pounds. the second week, he lost pounds less than times the pounds he lost the first week. the third week, he lost 1 pound more than of the pounds he lost the first week. liam started a weight-loss program when luke did. the first week, he lost 1 pound less than times the pounds luke lost the first week. the second week, he lost 4 pounds less than times the pounds luke lost the first week. the third week, he lost pound more than times the pounds luke lost the first week.