Math

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Jane plans to take a college algebra course with Mr. Doodle, determine the empirical probability that she receives at least a B.

  • Math -

    What data do you have about Mr. Doodle's grading system?

    Does he grade strictly on a curve? Do the majority of his student receive at least a B?

    http://regentsprep.org/Regents/math/ALGEBRA/APR5/theoProp.htm

  • Math -

    Yes, sorry about that...

    Mr. Doodle’s grade distribution over the past 3 years for a course in college algebra is shown in the chart below.

    Grade Number

    A 45

    B 180

    C 110

    D 95

    F 65

    I 5

    If Jane plans to take a college algebra course with Mr. Doodle, determine the empirical probability that she receives at least a B. I think it's 1.77777 ??

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