Thursday, March 19, 2009

Final Exam: Red Shirts

How well would you do in my Math 25 class? Here are the two hardest problems from today's final exam.

The Enterprise had 430 crewmembers, of which 90 wore red shirts. During its five-year mission 59 crew members were killed: of these 43 wore red shirts. When measured as an absolute percentage (subtraction), how much does wearing a red shirt increase the chance of being killed?

Continuing the previous problem, when measured as a relative percentage (percent change), how much does wearing a red shirt increase the chance of being killed?

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