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A gumball machine contains 6 red gumballs and 6 white gumballs.

Two gumballs are purchased, one after the other, without replacement.

Find the probability that at least one gumball is white.

Express your answer as a decimal, rounded to the nearest hundredth.

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1 answer
  1. well, what is the probability that NO ball is white? That is, 2 reds?

    Then take 1-P(red,red)

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