### Should you drop your decision-analysis course

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Question: Should you drop your decision-analysis course? Suppose you faced the following problem: If you drop the course, the anticipated salary in your best job offer will depend on your current GPA:

Anticipated salary | Drop = (\$4,000 x Current GPA) + \$16,000

If you take the course, the anticipated salary in your best job offer will depend on both your current GPA and your overall score (on a scale of 0 to 100) in the course:

Anticipated salary | Do Not Drop = 0.6(\$4,000 x Current GPA) + 0.4(\$170 x Course Score) +\$16,000

The problem is that you do not know how well you will do in the course. You can, however, assess a distribution for your score. Assuming that 90-100 is an A, 80-89 is a B, 70-79 a C, 60-69 a D, and 0-59 an F, assess a continuous probability distribution for your numerical score in the course. Use that distribution to decide whether or not to drop the course. Figure 8.21 shows your decision tree.

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