Students at a particular university use an online registration system to select their courses for the next term. There are four different priority groups, with students in Group 1 registering first, followed by those in Group 2, and so on. Suppose that the university provided the accompanying information on registration for the fall semester. The entries in the table represent the proportion of students falling into each of the 20 priority– unit combinations.
a. What proportion of students at this university got 10 or more units during the first attempt to register?
b. Suppose that a student reports receiving 11 units during the first attempt to register. Is it more likely that he or she is in the first or the fourth priority group?
c. If you are in the third priority group next term, is it likely that you will get more than 9 units during the first attempt to register? Explain.

  • CreatedSeptember 19, 2015
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