It takes 7 students 38 minutes to complete a test, 3 students 36 minutes, 1 student 34 munutes, 6 students 42 minutes, and 10 students 30 minutes. What is the probability that one.student will complete the test in 30 minutes?

Answer 1

The logic of this question escapes me.

Why would the time taken to complete a test depend on the
number of students taking it ?