Exam 1

  1. Metainformation

    Tag Value
    fileProbability_uva-conditional-probability-946-en_uva-conditional-probability-946-en
    nameuva-conditional-probability-946-en
    sectionProbability/Elementary Probability/Conditional probability
    typenum
    solution0.02
    tolerance0
    TypeCalculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty2
    p-value0.5905

    Question

    In a class there are 50 students. Each time, the teacher randomly chooses one student to answer one question and then the teacher puts the chosen name not back. There are a total of three questions. What is then the probability that Marja is chosen to answer the first question? (Give your answer in the form of a fraction: X/Y).


    Solution

    The correct answer is: 0.02