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Fast Consider a collection of envelopes consisting of 3 red envelopes, 1 blue envelope, 3 green envelopes, and 3 yellow envelopes. If three envelopes are

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Consider a collection of envelopes consisting of 3 red envelopes, 1 blue envelope, 3 green envelopes, and 3 yellow envelopes. If three envelopes are selected at random, without replacement, determine the probability that they are all green envelopes. The probability that all of the envelopes are green is (Type an integer or a simplified fraction )

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