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AMO 2021 - Secondary 4 (Grade 10) Question 2

AMO · AMO 2021 - Secondary 4 (Grade 10)

Question 2

A summer class has 130 students. Of these, 40% major in history and the rest in art. Each student is either full-time or part-time. There are 28 part-time history students and 32 full-time art students. A student is selected randomly from the history students. What is the probability that this student is full-time? Choose the closest listed decimal.

Question illustration
  1. $0.18$
  2. $0.21$
  3. $0.35$
  4. $0.43$
  5. $0.46$