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March 30, 2015

March 30, 2015

Posted by **Paul** on Wednesday, October 24, 2012 at 7:31pm.

- MATH -
**bobpursley**, Wednesday, October 24, 2012 at 7:48pmat least four make a purchase?

pr(at least four)=Pr(4)+pr(5)+...

= p^4q^6+P^5q^5+p^6q^4+p^7q^3+...p^10q^0

where p=.4, q=.6

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