From the dot plot, we have that 90.91% of the students have 5 or more vowels in their first and last names.
---------------------
The dot plot states that:
Then:
[tex]p = \frac{20}{22} \times 100\% = 90.91\%[/tex]
90.91% of the students have 5 or more vowels in their first and last names.
A similar problem is given at https://brainly.com/question/14354536