Lesson 2-7, Example 2 Check Understanding

1. Critical Thinking Suppose your grades on 3 history exams are 80, 93, and 91. If 100 is the highest possible score on the fourth exam, is it possible to raise your average to 92? Explain.
   1. Yes; your average for the first 3 exams is 88, so if you get a 96 you can raise the average to 92.
   2. Yes; if you score at least 93, the median score will be 92.
   3. Yes; you would need a score of 104 to have a 92 average.
   4. No; you would need at least a 104 to have a 92 average.

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