[See Solution] A group of students from three universities were asked to p ick between three lest favorite subjects as their major, as if they really had to.
Question: A group of students from three universities were asked to p ick between three lest favorite subjects as their major, as if they really had to. The results, in number of students, are listed as follow s :
| Mathematics | Physics | Engineering | |
| St. John | 40 | 50 | 20 |
| La Salle | 47 | 45 | 18 |
| Loyola | 30 | 25 | 55 |
Supposed that a student is randomly selected from the group mentioned above.
- What is the probability that the student is from Loyola or chooses Mathematics?
- What is the probability that the student is from La Salle, given that the student chooses Physics?
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