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12. Suppose 80% of students finish high school. Of them, 50% finish college. Of them, 20% get a master’s degree. Of them, 30% get a Ph.D.
(i) What percentage of students get a Ph.

  • stati -

    80% finish high school
    40% finish college
    8% get master’s
    2.4% get PhD

  • stati -

    An atchor shoots with an 85% accurancy rate? What is the prpbability tat he will make at least 4 of the 5 shots?

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