SOLUTION: Hello, so if i have 9 red socks and 4 blue socks in a drawer, and i draw a sock twice without replacement, what is the probability that i have a pair?

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Question 593649: Hello, so if i have 9 red socks and 4 blue socks in a drawer, and i draw a sock twice without replacement, what is the probability that i have a pair?

Answer by Edwin McCravy(20054)   (Show Source): You can put this solution on YOUR website!


Use the principle that "AND" goes with "multiply" and 
"OR" goes with ADDITION:

 +  =

· + · =

· + · =

 +  =

 +  =



Edwin
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