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January 29, 2015

January 29, 2015

Posted by **gigio** on Sunday, May 1, 2011 at 5:11pm.

- statistics -
**Anonymous**, Sunday, May 1, 2011 at 9:52pmif class1 has a ratio of women:students as 8:20 = .40, then class2 must have equal probability.

So then

.40 = x/30

x = 12

so class2 must have 12 female students

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