(Answered) A sample of part-time students were asked how many courses

Statistics

A sample of part-time students were asked how many courses they are taking during this term. The incomplete results are shown below:

Number of courses taken Frequency Relative Frequency Cumulative Relative Frequency

1 16 0.4 ?

2 20 ? ?

3 ? ? ?

a. Fill in blanks in the table.

b. What percent of students take exactly two courses?

c. What percent of students take one or two courses?

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