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

question 61

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 is 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

---

Definitions:

Bar Graph

A chart that represents data with rectangular bars with lengths proportional to the values they represent.

Smallest To Highest

Ordering or arranging items based on their size or value, beginning with the smallest and ending with the largest.

Label

To assign a name, category, or description to something for the purpose of identification.

Horizontal

Refers to alignment, direction, or orientation that is parallel to the ground or to the bottom and top margins of a page, often contrasted with vertical.