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Explain Why a Minimum of Three Satellites Is Necessary to Determine

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Essay

Explain why a minimum of three satellites is necessary to determine a receiver's position using GPS.Also,describe why a fourth satellite is used in position determination.


Definitions:

Forecasted Market Return

The estimated average return expected from the market as a whole over a specified future period, based on historical data and economic indicators.

T-Bill Rate

The yield on short-term U.S. government debt securities, known as Treasury bills, which serve as a benchmark for short-term interest rates.

Adjusted Beta

A beta value modified to account for a stock's historical volatility and tendency to revert to the market mean.

Well-Diversified Portfolio

An investment portfolio that spreads risk across various asset classes, industries, or geographical regions to reduce the impact of any single investment's poor performance.

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