The Amount of Time Necessary for Assembly Line Workers to Complete

question 87

Short Answer

The amount of time necessary for assembly line workers to complete a product is a normal variable with a mean of 15 minutes and a standard deviation of 2 minutes.The probability is
that a product is assembled in between 10 and 12 minutes.

Recognize the importance of process capability ratios in evaluating process performance.

Grasp the significance of the normal distribution in process control.

Understand the distinction between attributes and variables in quality control sampling.

Familiarize with the concepts of consumer's risk and the acceptable quality level (AQL).

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Definitions:

Genetic Drift

Refers to the random fluctuations in the frequency of alleles within a population over time, not due to natural selection.

Sympatric Speciation

Speciation pattern in which speciation occurs within a population, in the absence of a physical barrier to gene flow.

Physical Barrier

Any natural or artificial structure that blocks or limits movement, spread, or access of organisms or materials.

Polyploidy

The condition of having more than two complete sets of chromosomes in an organism, common in plants and some animal species.