It depends on which university it is, how much work the student puts in, and what you consider to be a 'good' job.
No, but it is a good idea!
Yes.If you do good in college and university you can.
The University of Utah offers several jobs for students. There are options for part time jobs to fit the students Schedule. The University offers such jobs so students can get work experience.
Lots of them
no
no
No
In order to know what percent of the 32 students in Miss Smith's class have jobs during the summer one needs to know how many have summer jobs.
95%
The University of Washington has a very good way of ensuring some of their students gain work by making them attend a seminar on how to and where to apply for jobs. This along with the encouragement to value their spare time and use it wisely applying for jobs seems to be paying off.
No, it's not really needed for university students to do so
No, most university students are dependent on their parents