Let the Random Variable Z Follow a Standard Normal Distribution

question 97

Multiple Choice

Let the random variable Z follow a standard normal distribution.Find P(-1.33 < Z < 0.78) .

• A)0.6905
• B)0.2823
• C)0.2177
• D)0.3095

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Definitions:

Chaparral

Biome of dry shrubland in regions with hot, dry summers and cool, rainy winters.

Fire-resistant

Materials or substances that are able to withstand fire or to resist burning.

Seeds

Embryonic plants enclosed in protective outer coverings, capable of developing into a new plant under the right conditions of water, oxygen, and suitable temperature.

Permafrost

Permanently frozen layer of soil and rock occurring beneath the Earth's surface.