A Bag Contains 2 Red Marbles, 3 Blue Marbles, and 7

question 132

Multiple Choice

A bag contains 2 red marbles, 3 blue marbles, and 7 green marbles. If a marble is randomly selected from the bag, what is the probability that it is blue?

• A) \(\frac { 1 } { 7 }\)
• B) \(\frac { 1 } { 9 }\)
• C) \(\frac { 1 } { 3 }\)
• D) \(\frac { 1 } { 4 }\)

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Definitions:

Recurrence Intervals

The average time between events such as earthquakes, floods, or volcanic eruptions, used in risk assessment and planning.

Prehistoric Earthquakes

Earthquakes that occurred before historical records were kept, studied primarily through geologic evidence.

Seismic Events

Phenomena that are caused by the sudden release of energy in the Earth's crust, resulting in ground shaking and sometimes displacement.

Seismographs

Instruments that measure and record details of earthquakes, such as force and duration, by detecting ground motion.