Exam 1

  1. Metainformation

    Tag Value
    fileProbability_vufsw-expected_value-1104-en_vufsw-expected_value-1104-en
    namevufsw-expected value-1104-en
    sectionprobability/elementary probability/random variables/expected value
    typeschoice
    solutionTRUE, FALSE, FALSE, FALSE
    Typecalculation
    Programcalculator
    LanguageEnglish
    Levelstatistical literacy

    Question

    The following table presents the probability distribution of the number of pringles that FSW lecturers eat after every lecture.
     

    y
    20
    30
    40
    50
    60
    70
    80
    90
    P(y)
    0.05
    0.15
    0.20
    0.20
    0.15
    0.10
    0.10
    0.05

     
    The expected value of the distribution is…


    1. TRUE: 52.
    2. FALSE: 45.
    3. FALSE: 55.
    4. FALSE: 440.

    1. True
    2. False
    3. False
    4. False