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BaLLatris [955]

2 years ago

5

In a closed box there are 7 blue balls and 5 red balls. Randomly pick one from the box one at a time until the ball is green, th

en stop. Find the probability that the person stops after the 4th time

1 answer:

timofeeve [1]2 years ago

6 0

Answer:

1/7 is the probabiltiy

Step-by-step explanation:

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