Answer:
68
Explanation:
The students who study less than 2 hours are the students who study less than 1 hour and the students who study 1.5 hours.
Less than 1 hours: 0.5%
1 hour: 3%
Total percent less than 2 hours: 3.5%
3.5% of 1942 = 0.035 × 1942 = 67.97
Answer: 68