NEED SOLUTION WITHIN 40/50 MINUTES WITH STEP BY STEP APPROACH to get UPVOTE.

Exercice 7: 1. Each morning a student arrives at his or hot bus stop. The passing time for a bus in uniformly distributed between 8:00 tun and 8:30 am. (a) What in the probability that the bus will pass between 8:10 on and 8:15 am. on a given day? (b) If this student has been waiting for the bus for 10 minutes. what is the probnhiiity that. he or she hnn loss than 3 minutes to wait? 2. Once at University of Ottawa, this student is supposed to nolw: u:' + 4Y1: + 1 = 0, where Y in a randomly chosen number between -1 and 3. What h tho probability that this equation has complex roots