Suppose That the Introduction of a Preventive Maintenance Program Is

question 38

Multiple Choice

Suppose that the introduction of a preventive maintenance program is deemed cost effective. Which of the following is most likely true if the cost to actually perform preventive maintenance is very expensive?

• A) high standard deviation in MTBF
• B) low standard deviation in MTBF
• C) low Cost to Repair
• D) repairs carry little non-monetary consequences
• E) the system never fails

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Definitions:

Gene Flow

The movement of alleles between populations.

Balanced Polymorphisms

A genetic equilibrium where two or more alleles persist in a population because they each confer some selective advantage that promotes survival.

Frequency-Dependent Selection

Natural selection in which a trait’s adaptive value depends on its frequency among members of a population.

Recessive Allele

An allele that produces its characteristic phenotype only when its paired allele is identical, often masked by a dominant allele in a heterozygote.