Find the Minimum Sample Size Required to Estimate a Population

question 3

Short Answer

Find the minimum sample size required to estimate a population mean
-Margin of error: 7 km; confidence level: 90%;

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Definitions:

Spur Gear

A type of gear with straight teeth mounted on a parallel shaft, used in machinery to transmit motion and power.

Machined Straight

The process of shaping or finishing a material, usually metal, to create a straight and precise surface using a machine tool.

Teeth

Hard, enamel-covered structures found in the mouth of many animals, including humans, used for biting, chewing, and aiding in digestion.

Torque Reducing

The process or characteristic of decreasing rotational force in mechanical systems, often to protect components or reduce stress.