Question: An elementary student has 6 building blocks: 2 red, 2 blue, and 2 green. If she randomly selects 3 blocks, what is the probability that all 3 are of different colors?
**Unlock the Mystery of Building Block Probability: A Simple
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- Question: A paleobotanist studies 5 fossilized plant species: 3 ferns and 2 cycads. If two fossils are chosen at random, what is the probability that one is a fern and one is a cycad?
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