Each rock in a collection of \(70\) rocks was classified as either ig…

Question

Prompt

Each rock in a collection of

70

rocks was classified as either igneous, metamorphic, or sedimentary, as shown in the frequency table. If one of these rocks is selected at random, what is the probability of selecting a rock that is igneous?

\frac{10}{70}

\frac{10}{60}

\frac{10}{38}

\frac{10}{22}