Question: As part of its ongoing evaluation, HiEd University conducted a survey of current students regarding their satisfaction with their university experiences. Below is part of the resulting data.
|Less than 60 hours credit||20||70||130|
|60 hours or more||30||20|
Complete the table.
What is the probability that a student in the survey:
a) gave an excellent rating?
b) did not give a poor rating?
c) gave a poor rating or had 60 hours of credit or more?
d) gave an excellent rating if they had less than 60 hours of credit?