Exam 1

  1. Metainformation

    Tag Value
    fileProbability_uva-elementary-probability-947-en_uva-elementary-probability-947-en
    nameuva-elementary-probability-947-en
    sectionProbability/Elementary Probability
    typenum
    solution0.02
    tolerance0
    TypeCalculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty-2.261
    p-value0.9644

    Question

    We write the names of 50 students on pieces of paper put them in a box. The teacher wants three questions to be answered by students who will be drawn at random. We grab a name for each of the three questions without putting them back. What is then the probability that Marja will be chosen to answer the first question? (Give your answer in the form of a fraction: X/Y).


    Solution

    The correct answer is: 0.02