We are given the following table:
We are asked to identify the probability of randomly selecting a student who studies for 1-2 hours.
To do this, we need to identify how many of the members of the data set study for 1-2 hours. Looking at the last column of the table, we see that the total number of students studying for 1-2 hours is 29.
Meanwhile, the total number of students in the data set is 130 as seen in the bottom right corner of the table.
The probability of an event is equal to the number of times that it happens divided by the total number of trials. In this case, it is:
Therefore the answer is 29/130 or 22.3%.