50 part-time students were asked how many courses they were taking this term.

=The (incomplete) results are shown below -

# of Courses	Frequency	Relative Frequency	Cumulative Frequency
1	18	0.36	___________?
2	16	_______________?	___________?
3	__________________?	_________________?	___________?

a. Complete the table. =) b. What percent of students take exactly two courses?______? %

thank you ..and god bless.. please explain, show solutions so I can understand..im studying right now..thank you...