Exam 1

  1. Metainformation

    Tag Value
    fileProbability_uva-general-rules-765-en_uva-general-rules-765-en
    nameuva-general-rules-765-en
    sectionProbability/Elementary Probability/General Rules
    typenum
    solution0.0046
    tolerance0
    TypeCalculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty0.02
    p-value0.9226

    Question

    You roll three dice. Suppose X is the number of fours. Below you see a probability distribution of X. What then is the probability P(X = 3)?

    —————– ——— ——– ——– — The value of X 0 1 2 3 P(X = x) 125/216 75/216 15/216 ? —————– ——— ——– ——– —

     (Give your answer in the form of a fraction: X/Y).


    Solution

    The correct answer is: 0.0046