The bar chart above shows the scores of some student...
The bar chart above shows the scores of some students in a test. Use it to answer this
If one student is selected at random, find the probability that he/she scored at most 2 marks
1118
1120
722
519
Correct answer is B
at most 2 marks = 5 + 2 + 4 students = 11 students
probability(at most 2 marks) = 1120