SOLUTION: I have 3 red socks, 4 blue socks and 6 green socks in a drawer. What is the probability that I will NOT pick a blue sock?

Algebra ->  Probability-and-statistics -> SOLUTION: I have 3 red socks, 4 blue socks and 6 green socks in a drawer. What is the probability that I will NOT pick a blue sock?      Log On


   

Question 640871: I have 3 red socks, 4 blue socks and 6 green socks in a drawer. What is the probability that I will NOT pick a blue sock?
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
There are 3+4+6 = 13 socks total

P(Not blue) = 1 - P(Blue)

P(Not blue) = 1 - 4/13

P(Not blue) = 13/13 - 4/13

P(Not blue) = 9/13

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