The Diameters of Bolts Produced by a Certain Machine Are

question 179

Multiple Choice

The diameters of bolts produced by a certain machine are normally distributed with a mean of 0.30 inches and a standard deviation of 0.01 inches. What percentage of bolts will have a diameter greater than 0.32 inches?

• A) 2.28%
• B) 37.45%
• C) 47.72%
• D) 97.72%

---

Definitions:

Income Levels

The categories of earnings that individuals or households fall into, typically used to analyze economic and demographic data.

Tax Incidence

The study of who ultimately pays the tax or bears the burden of tax, which can differ from the entity that initially pays the tax.

Total Burden

The complete impact, often in terms of costs or taxes, borne by society or specific groups within it.

Consumer Surplus

The disparity between what consumers are prepared and able to spend for a product or service and the actual amount they end up paying.