Posted by **poo** on Monday, November 30, 2009 at 9:02pm.

8. In an interview of 50 math majors,

12 liked calculus and geometry

18 liked calculus but not algebra

4 liked calculus, algebra, and geometry

25 liked calculus

15 liked geometry

10 liked algebra but neither calculus nor geometry

2 liked geometry and algebra but not calculus.

Of those surveyed, how many liked calculus and algebra?

- math -
**PsyDAG**, Wednesday, December 2, 2009 at 10:28am
If you only interviewed 50 math majors, how do you get over 80 in the various categories?

Divide the 4 that liked calculus, algebra, and geometry by whatever your total sample is.

I hope this helps.

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