The Bookstore Has Eight Red School Jerseys, Ten Blue School $\frac { 3 } { 13 }$

question 25

Short Answer

The bookstore has eight red school jerseys, ten blue school jerseys, and five green school jerseys to choose from. If a student selects one at random, find the probability it is red or green. A) $\frac { 3 } { 13 }$

B) $\frac { 10 } { 13 }$

C) $\frac { 13 } { 23 }$

D) $\frac { 10 } { 23 }$

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Definitions:

Well Sorted

Describes sedimentary particles that are uniform in size, indicating a specific and stable environment of deposition.

Uniformly-Sized Sand

Sand particles that have a consistent size throughout a sample, indicating specific processes of deposition or erosion.

Moderately Sorted

Refers to sediment in which the particles are of somewhat similar size, indicating a certain degree of uniformity in the conditions that deposited them.

Evaporite Minerals

Minerals formed by the evaporation of water, leaving behind a concentration of salts and other minerals; common examples include gypsum and halite.