On a December Day, the Probability of Snow Is

question 7

Multiple Choice

On a December day, the probability of snow is .30. The probability of a "cold" day is .50. The probability of snow and "cold" weather is .15. Are snow and "cold" weather independent events?

• A)only if given that it snowed
• B)no
• C)yes
• D)only when they are also mutually exclusive

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Definitions:

Dust Storms

Severe weather conditions marked by strong winds lifting vast quantities of dust and sand into the atmosphere.

Coriolis Effect

The apparent deflection of moving objects (such as airplanes, wind, and ocean currents) to the right in the northern hemisphere and to the left in the southern hemisphere, resulting from the Earth's rotation.

Northern Hemisphere

The half of Earth that lies north of the equator, containing the majority of the planet's landmasses.

Southern Hemisphere

Refers to the half of Earth that lies south of the equator, encompassing regions like Australia, Antarctica, most of South America, and southern Africa.