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5 questions
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  • Q1

    Scores on a history test have average of 80 with standard deviation of 6. What is the z-score for a student who earned a 75 on the test?

    -0.83

    0.80

    -0.80

    0.83

    45s
    M10SP-IVh-j-1
  • Q2

    The weight of chocolate bars from a particular chocolate factory has a mean of 8 ounces with standarddeviation of .1 ounce. What is the z-scorecorresponding to a weight of 8.17 ounces?

    -1.7

    1.7

    -0.17

    0.17

    45s
  • Q3

    Books in Marikina library arefound to have average length of 350 pages with standard deviation of 100 pages.What is the z-score corresponding to a book of length 80 pages?

    2.7

    0.27

    -0.27

    -2.7

    45s
    M10SP-IVh-j-1
  • Q4

    The temperature is recorded at 60 airports in a region. The average temperature is 67 degrees Fahrenheitwith standard deviation of 5 degrees. What is the z-score for a temperature of 68 degrees?

    0.2

    -1.6

    1.6

    -0.2

    45s
    M10SP-IVh-j-1
  • Q5

    A group of friends compares what they received while trick or treating. They find that the average numberof pieces of candy received is 43, with standard deviation of 2. What isthe z-score corresponding to 20 pieces of candy?

    11.5

    -1.15

    -11.5

    1.15

    45s

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