Given a Mean of -7

question 1

Multiple Choice

Given a mean of -7.8 and a standard deviation of 16 from a normally distributed sample,what is the probability of an observation being below 12.0?

• A) 0.51
• B) 0.61
• C) 0.71
• D) 0.81

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Definitions:

Higher Latitudes

Regions of the Earth closer to the poles, characterized by colder temperatures and, in many cases, unique ecological conditions.

Deserts

Extremely dry areas of land with sparse vegetation, characterized by receiving less than 25 centimeters (10 inches) of precipitation per year.

Earth's Land Surface

The solid surface layer of the Earth, as opposed to the ocean or sky; includes continents and islands.

Desert Insects

Insects adapted to survive in desert environments with extreme conditions such as high temperature and low moisture.