SAT Practicefecd5e09-6a41-4316-a6b0-2f366f0c940d
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Questions come from the Bluebook question bank.

Each rock in a collection of 70 rocks was classified as either igneous, metamorphic, or sedimentary, as shown in the frequency table.

Classification Frequency
igneous 10
metamorphic 33
sedimentary 27

If one of these rocks is selected at random, what is the probability of selecting a rock that is igneous?