Based on Historical Data,the Diameter of a Ball Bearing Is

question 52

Multiple Choice

Based on historical data,the diameter of a ball bearing is normally distributed with a mean of 0.527 cm and a standard deviation of 0.008 cm.Suppose that a sample of 18 ball bearings are randomly selected from a very large lot.Determine the probability that the average diameter of a sampled ball bearing is greater than 0.530 cm.

• A)0.2324
• B)0.4938
• C)0.5062
• D)0.0559

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Definitions:

Respiratory System

The network of organs and tissues that help you breathe, including the lungs, trachea, and nasal passages.

Lymph

Fluid in the lymph vascular system.

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A tropical disease caused by parasitic worms, leading to severe swelling in the limbs and genitals.

Valves

Structures that allow fluid (liquid or gas) to flow in one direction while preventing backflow, found in various biological and mechanical systems.