Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-sample-mean-593-en_uva-sample-mean-593-en
    nameuva-sample-mean-593-en
    sectionInferential Statistics/Sampling Distributions/Sample mean
    typeschoice
    solutionFALSE, TRUE, FALSE, FALSE
    TypeCalculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty2
    p-value0.5905

    Question

    Suppose a stochastic variable r is normally distributed with μ = 15 and σ² = 25. What is the probability that a randomly drawn value from this distribution value lies between 10 and 13?


    1. FALSE: 0.4967
    2. TRUE: 0.1859
    3. FALSE: 0.3141
    4. FALSE: 0.6859

    1. 0.4967: Incorrect
    2. 0.1859: Correct
    3. 0.3141: Incorrect
    4. 0.6859: Incorrect