Refer to the data set in Exercise 23 and the box-and-whisker plot you drew that represents the data set.

(a) About 75% of the students studied no more than how many hours
per day? 

(b) What percent of the students studied more than 3 hours per day?

(c) You randomly select one student from the sample. What is the likelihood that the student studied less than 2 hours per day? Write your answer as a percent.

Data from exercise 23:

The numbers of hours spent studying per day by a sample of 28 students

2 8 7 2 3 3 3 2 2 7 8 3 5 1 1 2 6 1 5 7 3 8 5 3 3 7 6 2