Use Technology to Solve the Following Problem: at a Cell

question 128

Multiple Choice

Use technology to solve the following problem: At a cell phone assembly plant, 81% of the cell phone keypads pass inspection. A random sample of 99 keypads is analyzed. Find the probability That the proportion of the sample keypads that pass inspection is between 0.74 and 0.86.

• A) 0.8597
• B) 0.9621
• C) 0.0379
• D) 0.8976

---

Definitions:

Variable Costing

An accounting method that only includes variable manufacturing costs (direct materials, direct labor, and variable manufacturing overhead) in product costs.

Finished Goods Inventory

Items in stock that are completed and ready for sale, representing one of the stages in the production inventory.

Variable Costing

A costing method that includes only variable production costs (direct materials, direct labor, and variable manufacturing overhead) in product costs, excluding fixed manufacturing overhead from product cost calculations.

Net Operating Income

The income generated from normal business operations after deducting operating expenses such as wages and cost of goods sold, excluding income from investments and other non-operational sources.