Exam 1

  1. Metainformation

    Tag Value
    fileDistributions_uva-normal-398-en_uva-normal-398-en
    nameuva-normal-398-en
    sectionDistributions/Continuous/Normal
    typeschoice
    solutionFALSE, FALSE, FALSE, TRUE
    TypeConceptual, Calculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty3.281
    p-value0.2445

    Question

    A stochastic variable X follows a normal distribution, X ~ N(1, 0.52). For what value a does P(X < a) = 20% ?


    1. FALSE: -0.84
    2. FALSE: -0.42
    3. FALSE: 0.42
    4. TRUE: 0.58

    1. 0.84: Incorrect
    2. 0.42: Incorrect
    3. 0.42: Incorrect
    4. 0.58: Correct