A Machine Is Made Up of 3 Components: an Upper

question 13

Multiple Choice

A machine is made up of 3 components: an upper part,a mid part,and a lower part.The machine is then assembled.5 percent of the upper parts are defective;4 percent of the mid parts are defective;1 percent of the lower parts are defective.Assuming that the parts function independently of each other,what is the probability that a machine is non-defective?

• A)0.8330
• B)0.7265
• C)0.9029
• D)0.9815
• E)0.8902

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Definitions:

Secondary Consumers

Organisms, typically animals, that obtain energy by consuming primary consumers, which are herbivores.

Radiant Energy

Energy that travels by waves or particles, particularly electromagnetic radiation such as light and heat.

Photosynthesis

A process used by plants and other organisms to convert light energy, usually from the sun, into chemical energy that can be later released to fuel the organism's activities.

NPP (Net Primary Productivity)

The rate at which plants and other photosynthetic organisms produce organic compounds in an ecosystem minus the rate at which they use some of these compounds for respiration.