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September 21, 2014

September 21, 2014

Posted by **jerry** on Thursday, December 8, 2011 at 11:46am.

- statistics -
**Reiny**, Thursday, December 8, 2011 at 11:59amlet the percentage taking the prob course be x

then the percentage taking the bus course is x+16

make a Venn diagram, showing two intersecting circles within a rectangle.

place 14 outside the circles in the rectangle,

place 24 in the intersection of the circles

x + x+16 - 24 + 14 = 100 (had to subtract 24, since the 24 included in the x and in the x+16, but we can count it only once)

2x = 94

x=47

so 46% take the probability course

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