Answer:
i) Fraction of the students chose Sooners =

ii)
= 0.25
Explanation:
The total number of teams = 5
The total number of students chose the football teams = 3 + 6 + 5+ 2 + 4 = 20
The number of students chose Sooners team = 5
Fraction of the students chose Sooners =

Now we have to convert the fraction
to decimal using division.
When we divided 5 by 20, we get 0.25
Therefore, the answer is
i) Fraction of the students chose Sooners =

ii)
= 0.25