An Operator Wants to Determine the Standard Deviation for a Machine

question 1

Multiple Choice

An operator wants to determine the standard deviation for a machine she operates. To do this, she wants to create a p-chart. Over a month's time, she collects 30 samples of 75 observations each and records the number of errors. The average proportion defective is found to be 0.024. Which of the following is the standard deviation ( ) of the machine?

• A) Less than or equal to 0.1
• B) More than 0.1 but less than or equal to 0.5
• C) More than 0.5 but less than or equal to 1.0
• D) More than 1.0

---

Definitions:

Macroeconomic Data

Information relating to the overarching conditions of an economy, including metrics such as GDP, unemployment rates, and inflation.

Taxing Authorities

Governmental bodies responsible for imposing and collecting taxes, such as the Internal Revenue Service (IRS) in the United States.

Accounting Rules

The standardized guidelines and procedures for recording financial transactions and preparing financial statements.

Loan Covenants

Agreements or stipulations within a loan contract that the borrower must adhere to, intended to protect the lender by maintaining certain financial ratios or conditions.