1. Maria knows the probability of passing the test in UP Manila is 1/2 and the chance of passing the test in Ateneo De Manila is 1/2. She concludes that if she takes the entrance examination in both schools, she will surely pass in one of the schools. is her reasoning correct? explain.

2. The swimming club has 60 members, of which 15 are grade 10 students and 40 are boys. 10 of the grade 10 students are boys. a member of the swimming club is picked at random. Daniel computes the probability of picking a grade 10 student or a boy to be 11/12 is correct? if not, find the correct probability and explain where he went wrong.