If one student is selected at random find the p... - WAEC Mathematics 2014 Question
If one student is selected at random, find the probability that he/she scored at most 2 marks
A
\(\frac{11}{18}\)
B
\(\frac{11}{20}\)
C
\(\frac{7}{22}\)
D
\(\frac{5}{19}\)
correct option: b
at most 2 marks = 5 + 2 + 4 students = 11 students
probability(at most 2 marks) = (\frac{11}{20})
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