SCENARIO 6-2 John Has Two Jobs.For Daytime Work at a Jewelry Store

question 162

Short Answer

SCENARIO 6-2
John has two jobs.For daytime work at a jewelry store he is paid $15,000 per month,plus a commission.His monthly commission is normally distributed with mean $10,000 and standard deviation $2000.At night he works occasionally as a waiter,for which his monthly income is normally distributed with mean $1,000 and standard deviation $300.John's income levels from these two sources are independent of each other.
-Referring to Scenario 6-2,John's commission from the jewelry store will be between what two values symmetrically distributed around the population mean 80% of the time?

---

Definitions:

Professional Robber

An individual who engages in theft or robbery as a primary occupation, often demonstrating skill, planning, and organization in executing crimes.

Too Much Risk

A situation where the level of danger or chance of failure is considered excessively high, potentially leading to undesired outcomes.

Shoplifters

Individuals who illegally take goods from a store without paying for them.

Designer Clothes

High-quality, often expensive, clothing made by or bearing the label of a well-known fashion designer.