Suppose X Is a Normal Random Variable with Mean of 70

question 88

Multiple Choice

Suppose X is a normal random variable with mean of 70 and standard deviation of 4.The Z-score was calculated for a number,and it was 2.85.What is X?

• A)58.6
• B)81.4
• C)65.8
• D)75.7

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Definitions:

Geological Processes

Natural dynamics of the Earth that shape its surface and interior, including phenomena like volcanic eruptions, earthquakes, and erosion.

Extreme Pressure

Refers to very high pressures used in industrial processes or occurring naturally deep within the Earth.

Earth's Core

The innermost part of Earth, composed primarily of iron and nickel, divided into the solid inner core and the liquid outer core.

Tectonic Plates

Large pieces of the Earth's crust that move, float, and sometimes fracture and whose interaction causes continental drift, earthquakes, volcanoes, mountains, and oceanic trenches.