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  • Perplex
    IB Math AAHL
    /
    Probability
    /

    Problem Bank

    [Maximum mark: 6]

    During a very difficult practice maths quiz, 40 high‑school students each received a mark out of 100.

    problem image
    1. Write down the median mark.

      [1]

      To earn a crown, get your answer ready before you reveal the options!

    2. How many students scored 24 marks or less?

      [1]
    3. How many students scored more than ​29​ marks?

      [1]

    A passing score is ​27​ marks.

    1. Determine the probability that a student scored above ​29​ marks given that they passed the exam.

      [3]

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