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A lot of 1000 components contains 150 that are defective. Two components are drawn at random and tested. Let A be the event that the first component drawn is defective, and let B be the event that The second component drawn is defective.
Vision
the ability to see; the faculty of sight.
Color
The characteristic of visual perception described through hues, such as red, blue, and yellow, determined by the spectrum of light.
Lens
A transparent optical device used to converge or diverge transmitted light and to form images.
Focus
The concentration of attention or energy on a specific object, task, or goal, often essential for successfully completing tasks or resolving problems.
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