Each rock in a collection of 70 rocks was classified as either igneous, metamorphic, or sedimentary, as shown in the frequency table.<br/><br/>$\begin{tabular}{|l|c|} \hline<br/>\textbf{Classification} & \textbf{Frequency} \\ \hline <br/>igneous & 10 \\ \hline <br/>metamorphic & 33 \\ \hline <br/>sedimentary & 27 \\ \hline <br/>\end{tabular}$<br/><br/>If one of these rocks is selected at random, what is the probability of selecting a rock that is igneous?

MM

Mashaal Masha

Mar 05, 2024

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 an igneous rock?

Difficulty: Easy

A:

\frac{10}{27}

B:

\frac{10}{33}

C:

\frac{10}{60}

D:

\frac{10}{70}

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