Find the Indicated Sum $a _ { 1 } = 3 , r = 2 ; \text { find } s _ { 4 }$

question 69

Multiple Choice

Find the indicated sum.
- $a _ { 1 } = 3 , r = 2 ; \text { find } s _ { 4 }$

• A)15
• B)21
• C)160
• D)45

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Definitions:

Misses

In the context of signal detection theory, instances where a present signal is not detected or recognized.

Pupil

The opening in the center of the iris of the eye that regulates the amount of light that enters.

Saturation

In color theory, the intensity or purity of a color; in chemistry, the point at which a solution can dissolve no more of a substance.

Hue

A color or shade, often referring to the aspect of color that is determined by the wavelength of light.