Suppose X Is a Normally Distributed Random Variable with a Mean

question 7

Multiple Choice

Suppose x is a normally distributed random variable with a mean of 12 and a standard deviation of 3. The probability that x equals 19.62 is _____.

• A) 0
• B) .0055
• C) .4945
• D) .9945

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Definitions:

Taiga

A biome characterized by coniferous forests, consisting mostly of pines, spruces, and larches, located in cold, northern latitudes.

Largest Biome

The taiga or boreal forest, characterized by coniferous forests, covering vast areas of northern North America and Eurasia.

Brightly Lit

Illuminated with a high degree of brightness, typically referring to spaces or objects under strong light.

Epipelagic

The upper layer of the ocean where there is enough sunlight for photosynthesis, typically down to about 200 meters.