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

question 150

Short Answer

The true length of boards cut at a mill with a listed length of 10 feet is normally distributed with a mean of 123 inches and a standard deviation of 1 inch.What proportion of the boards will be between 121 and 124 inches?

---

Definitions:

Resin Bonding

A technique involving the adhesion of materials using a synthetic or natural resin to bind components together.

Open Circuit

A condition in an electrical circuit where there is a break in the circuit path, preventing current from flowing.

Short Circuit

An electric circuit that contains no resistance to limit the flow of current.

Carbon Film

A type of resistor made by depositing a thin layer of carbon on an insulating substrate, known for stability and low noise.