A Nearsighted Person Has a Far Point That Is 4

question 23

Multiple Choice

A nearsighted person has a far point that is 4.2 m from his eyes. What power contact lenses must he wear to allow him to focus on distant mountains?

• A) -0.24 diopters
• B) 0.48 diopters
• C) -0.48 diopters
• D) 0.24 diopters
• E) -0.36 diopters

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Definitions:

Standard Deviation

A statistical measure that quantifies the amount of variation or dispersion of a set of data values, commonly used in finance to assess the volatility of investment returns.

Investment

Allocating resources, usually money, with the expectation of generating an income or profit.

Reward-to-Variability Ratio

A ratio used to evaluate the return of an investment relative to its risk, with a higher ratio indicating a more favorable risk-reward profile.

Risk-free Rate

A presumed income from an investment that is free from any financial risk, typically reflected through government bond yields.