Decide Whether or Not the Set Is Closed Under Multiplication

question 1

Multiple Choice

Decide whether or not the set is closed under multiplication.
-W - {10}

• A)Not closed
• B)Closed

---

Definitions:

Sample Ranges

The difference between the highest and lowest values in a set of data samples, often used in statistical analysis to measure variability.

Producer's Risk

Producer's risk is the probability of rejecting a quality product during the inspection process, falsely identifying it as defective.

Consumer's Risk

The probability of accepting a lot or batch of goods that contains a greater number of defects than a predetermined level, leading to consumer dissatisfaction.

Acceptance Sampling

A statistical quality control method where a random sample of items from a lot is tested to determine the acceptance or rejection of the entire lot.