Wax-Com Electronics Inc

question 21

Multiple Choice

Wax-com Electronics Inc. claims that a certain circuit board has a median operating life of less than 20,000 hours. A random sample of 25 such circuit boards showed 8 circuit boards failing before 20,000 hours and 17 circuit boards failing after 20,000 hours. Assume the useful life of the circuit board is not normally distributed. At α = .05, can it be concluded that the sample contradicts the company's claim? Assume the useful life of the circuit board is not normally distributed.

• A) Reject the null hypothesis.
• B) Do not reject the null hypothesis.

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Definitions:

Synchronic

Pertaining to the study of phenomena, especially language, at a specific point in time without considering historical context.

Total

Encompasses whole, complete, or entirely comprising the entirety of something, often used in the context of statistical or analytical data.

Economic Determinism

The theory that economic forces and structures are the primary determinants of social, political, and historical developments.

Marxian Theory

A framework derived from the ideas of Karl Marx that analyzes society through the lens of class conflict, the modes of production, and the distribution of power.