An Electrical Appliance Will Not Work Unless Component QK Does

question 9

Multiple Choice

An electrical appliance will not work unless component QK does. Component QK's reliability is 0.95. Every other part of the appliance is 100 percent reliable. What would the reliability of the appliance be if a backup QK were added?

• A) .95
• B) .9975
• C) .9025
• D) .9205
• E) .9795

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Definitions:

Light-Sensitive

The characteristic of being responsive or reactive to light, often referring to cells or materials.

Color-Sensitive

Having a heightened responsiveness or sensitivity to colors, which can influence perception, mood, and behavior.

Rods

Retinal receptors that detect black, white, and gray; necessary for peripheral and twilight vision, when cones don’t respond.

Iris

The colored part of the eye that controls the size of the pupil and thus the amount of light that enters the eye.