A Random Variable with Density Function E^-x for X $\ge$ 0 Has an Exponential Distribution Whose Mean Is ____________________

question 163

Essay

A random variable with density function e^-x for x $\ge$ 0 has an exponential distribution whose mean is ____________________.

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Definitions:

Estuaries

Coastal water bodies where freshwater from rivers meets and mixes with saltwater from the ocean, creating unique and richly biodiverse environments.

Salinity

The measure of the amount of dissolved salts in a given amount of liquid.

Mangrove Swamp

Coastal wetlands found in tropical and subtropical regions, characterized by salt-tolerant trees and bushes adapted to high salt and brackish water conditions.

Euphotic Zone

The upper layer of a body of water that receives sufficient sunlight for photosynthesis, where most aquatic life is concentrated due to the availability of light.