According to the histogram, it is found that about 10% of the students took less than 40 minutes to complete the exam.
What is an histogram?
An histogram is a graph that shows the number of times each element of x was observed.
In this problem, out of a total of 29 students, the histogram states that:
- 1 student finished the exam in less than 10 minutes.
- 2 students finished the exam in between 30 and 40 minutes.
...
- 12 students took between 70 and 80 minutes to finish the exam.
10% of 29 is given by:
0.1 x 29 = 2.9.
About 10% of 29 is of 3, hence, since 1 + 2 = 3, about 10% of the students took less than 40 minutes to complete the exam.
More can be learned about histograms at https://brainly.com/question/25836450
