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14-11-2019
Mathematics

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2 An urn has 15 red, 7 white and V blue balls. What is the probability of picking a blue ball (V=test version number)

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14-11-2019

Answer:

V / (22 + V)

Step-by-step explanation:

The total is 15 + 7 + V = 22 + V.

So the probability is V / (22 + V).

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