Find the Probability That Either Event a or B Occurs

question 121

Multiple Choice

Find the probability that either event A or B occurs if the chance of A occurring is .5, the chance of B occurring is .3, and events A and B are independent.

• A).80
• B).15
• C).65
• D).85

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Definitions:

Global Climate

The average weather patterns that are observed over long periods, across the entire planet, encompassing a complex system influenced by solar radiation, the atmosphere, oceans, and landmasses.

Ice Ages

Periods of long-term reduction in the temperature of Earth's surface and atmosphere, resulting in the expansion of continental and polar ice sheets.

Continents

Large landmasses on Earth's surface, conventionally counted as seven: Africa, Antarctica, Asia, Australia, Europe, North America, and South America.

Oceans

Oceans are large bodies of salt water that cover approximately 71% of the Earth's surface, divided into five major basins: the Pacific, Atlantic, Indian, Southern, and Arctic Oceans.