Exam 1

  1. Metainformation

    Tag Value
    fileProbability_uva-multiplication-rule-927-en_uva-multiplication-rule-927-en
    nameuva-multiplication-rule-927-en
    sectionProbability/Elementary Probability/General Rules/Multiplication rule
    typeschoice
    solutionTRUE, FALSE, FALSE, FALSE
    TypeConceptual
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty2
    p-value0.5905

    Question

    Suppose the independent probability that three individuals A, B and C will be alive in 30 years are still alive is equal to 0.4; 0.3 and 0.5, respectively. Then what is the probability that they will all be alive in 30 years?


    1. TRUE: 0,06
    2. FALSE: 0,3
    3. FALSE: 0,12
    4. FALSE: 0,18

    1. 0.06: Correct
    2. 0.3: Incorrect
    3. 0.12: Incorrect
    4. 0.18: Incorrect