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July 5, 2015

Homework Help: Mathematicas

Posted by Ana on Thursday, January 28, 2010 at 10:53pm.

To win $1 million, you must draw two cards whose sum is nine from a stack of cards numbered 1 through 10. After the first draw, you replace the card and shuffle the stack again for the second draw. What is the chance that your two cards will have a sum of nine? I have to use the charts for the possibilities:

First Card
1 2 3 4 5 6 7 8 9 10
s 1
e 2
c 3
o 4
n 5
d 6
c 7
a 8
r 9
d 10

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