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February 28, 2015

February 28, 2015

Posted by **j** on Saturday, September 18, 2010 at 2:26pm.

a.0.38, b.0.28, c.0.43, d.0.33

- math -
**anaavu**, Saturday, September 18, 2010 at 4:26pmThe diameter can be 2.5mm to 8.5mm. There is 6mm of difference. But our target is the ones less than 4.5mm, which is 2mm of difference. Our probability is 2/6 which is the same as 33 percent or .33.

It's a little complicated, sorry I'm not great at explaining things. Do you get it now?

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