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Assume that the salaries of elementary school teachers in the U.S. are normally distributed with a mean of $37,000 and standard deviation of $3500. The cutoff salary for teachers in the bottom 12% is

  • help - ,

    Working this kind of problem will require tables or some other form of "lookup".

    Here is the perfect method to replace good ol' tables in back of textbooks

    click on "value from area"
    enter .12 in "area"
    enter 37000 in "mean"
    enter 3500 in SD
    click on "below" and

    lo and behold ----- cutoff salary is $32887

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