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    Probability

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    Suppose that a certain college class contains students. Of these, are freshmen, are physics majors, and are neither. A student is selected at random from the class.
    a. What is the probability that the student is both a freshman and a physics major?
    b. Suppose that we are given the additional information that the student selected is a freshman. What is the probability that she is also a physics major?
    Give your answers as exact fractions.

    © BrainMass Inc. brainmass.com March 4, 2021, 5:50 pm ad1c9bdddf
    https://brainmass.com/statistics/probability/13530

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