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It's Soccer season! You have a bag that contain 5 red soccer balls, 6 white soccer balls, and 2 green soccer balls.
You are going to pick out one soccer ball, leave it out, and then pick another soccer ball.
What is the probability of picking out an white soccer ball followed by a green soccer ball?
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The total balls in the bag is 5 + 6 + 2 = 13.
The probability under the problem's question is
P = = . ANSWER
Solved.
The formula I used is self-explanatory.