Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-sample-mean-232-en_uva-sample-mean-232-en
    nameuva-sample-mean-232-en
    sectionInferential Statistics/Sampling Distributions/Sample mean
    typeschoice
    solutionTRUE, FALSE, FALSE
    TypeCalculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty2
    p-value0.5905

    Question

    The probability variable X is normally distributed with mean μ = 20 and standard deviation σ = 5. Then P(X ≥ 30 μ = 20; σ = 5)


    1. TRUE: 0.02
    2. FALSE: 0.09
    3. FALSE: 0.1

    1. 0.02: Correct
    2. 0.09: Incorrect
    3. 0.1: Incorrect