Exam 1

  1. Metainformation

    Tag Value
    fileDistributions_uva-normal-1350-en_uva-normal-1350-en
    nameuva-normal-1350-en
    sectionDistributions/Continuous/Normal
    typeschoice
    solutionFALSE, FALSE, TRUE, FALSE
    TypeConceptual
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty2
    p-value0.5905

    Question

    The diameter of bottle caps has a normal distribution with a mean of 36 mm and a standard deviation of 1 mm. Suppose you take random samples of 10, 20 and 40. Which sample distribution best approximates the normal distribution?


    1. FALSE: 10
    2. FALSE: 20
    3. TRUE: 40
    4. FALSE: All three are equally good.

    1. 10:Incorrect
    2. 20: Incorrect
    3. 40: Correct
    4. All three equally correct: Incorrect