Posted by Sarah on Thursday, October 6, 2011 at 8:22pm.
At McLeod University, thirty percent of the students are in Engineering. Forty percent of Engineering students study Probabilistic Systems, and sixty percent of the students studying Probabilistic Systems are in Engineering. What percentage of students at McLeod are either in Engineering or studying Probabilistic Systems?

MATH  Steve, Friday, October 7, 2011 at 5:55am
If you draw two intersecting circles, E and P, then the intersection is for students in both E and P.
E = .3S
The intersection of P&E = .4E = .6P
But, that means that .12S = .6P, so P = .2S
Add up E & P to get .5S = 50%
Answer This Question
Related Questions
 Math (Statistics)  Five college engineering students are choosing specialized ...
 math  Seven students took a quiz. Four of these students received a score above...
 math  please help me  65 chemical engineering students are from urban/suburban...
 math  Seven students took a quiz. Four of these students received a score above...
 MATH  Seven students took a quiz. Four of these students received a score above...
 Math  Seven students took a quiz. Four of these students received a score above...
 college statistics  the math SAT scores for all students who applied to the ...
 statistics  In a class of 100 students, 30 are computer science majors, 49 are ...
 Math  Ms. Hendricks asked her students how they get to school each day. She ...
 Math  average grade  Does anyone know how to calculate average point grade? I ...
More Related Questions