A Variable Is Normally Distributed with a Hypothesized Population Mean

question 28

Multiple Choice

A variable is normally distributed with a hypothesized population mean of 53 and a standard deviation of 9. What is the z-score for a raw score (X) of 46?

• A) z = -.78
• B) z = .78
• C) z = 21.77
• D) z = 28.23

---

Definitions:

Inventory Rate

The speed at which inventory is sold or used over a particular period, often indicating the efficiency of inventory management.

Review Interval

The scheduled period between evaluations of a process, system, or performance, allowing for adjustments and improvements.

Safety Inventory Levels

Quantities of stock kept on hand to protect against variability in demand or supply, ensuring product availability.

Cycle Inventory

The portion of inventory available due to the replenishment process, reflecting the quantity of goods that cycle through the supply chain.