The bar chart shows the scores of some students in a test. If one students is selected at random, find the probability that he/she scored at most 2 marks
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Correct Answer: Option B
Explanation:
at most 2 marks = 5 + 2 + 4 students = 11 students
probability(at most 2 marks) = \(\frac{11}{20}\)
at most 2 marks = 5 + 2 + 4 students = 11 students
probability(at most 2 marks) = \(\frac{11}{20}\)