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August 1, 2014

August 1, 2014

Posted by **Dena** on Sunday, January 29, 2012 at 7:37pm.

- Algebra 2 -
**Reiny**, Sunday, January 29, 2012 at 9:18pmNumber of ways to select any two of the 10

= C(10,2) = 45

number of ways to select 2 out of the science

= C(4,2) = 6

prob of that event = 6/45 = 2/15

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