The True Length of Boards Cut at a Mill with a Listed

question 108

Short Answer

The true length of boards cut at a mill with a listed length of 3 metres is normally distributed with a mean of 303 cm and a standard deviation of 1 cm
-What proportion of the boards will be over 305 cm in length?

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Definitions:

Observations

The act of carefully monitoring or examining phenomena, events, or behaviors to gather data or insights.

Meaningful

Having significant quality or purpose, often carrying deep importance or value.

Reliable

The quality of being consistently good in performance, yielding trustworthy results over time.

Complete

fully finished or ended, with all necessary parts or elements present and accounted for.