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

question 182

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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,the probability is 0.25 that John's income as a waiter is no more than how much in a given month?

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Definitions:

Routine Tests

Routine tests are standard medical or diagnostic examinations that are performed on a regular basis to monitor and maintain an individual's health.

Public Behavior

Actions or conduct exhibited by individuals in social settings or amongst the general public.

Assent

Agreement or approval, often used in the context of minors or others not able to give legal consent.

Minor

A term often used to describe something of lesser importance, size, or degree, or individuals under the age of legal adulthood.