The number of students who studied for less than 2 hours is 689.
What is the percentage?
The Percentage is defined as representing any number with respect to the 100. It is denoted by the sign %.
From the table, we can see that
The percentage of the students who studied less than two hours:-
Less than one hour = 0.5%
One hour = 3%
1.5 hour = 38%
The number of the students will be:-
Less than one hour = 1942 X 0.5% = 1942 x (0.5 / 1000 = 10
One hour = 3% = 1954 x ( 3 / 100 ) = 58
1.5 hour = 38% = 1942 x ( 38 / 100) = 621
The total number of the students who studied for less than 2 hours will be
= 10 + 58 + 621
= 659
Therefore the number of students who studied for less than 2 hours is 689.
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