Instruction 6-4 John Has Two Jobs.For Daytime Work at a Jewelry Store

question 15

Short Answer

Instruction 6-4
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 $2,000.At night he works 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 Instruction 6-4,for a given month,what is the probability that John's income as a waiter is at least $1,400?

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Definitions:

Indwelling Urinary Catheter

A tube inserted into the bladder through the urethra, allowing for continuous urine drainage to an external bag, used for patients who cannot void naturally.

Clean-Catch Urine

A method of collecting urine for testing that minimizes microbial contamination from the skin, typically involving midstream urine collection.

Bladder Scan

A non-invasive ultrasound procedure used to assess the volume of urine in the bladder or detect other bladder issues.

Straight Catheter

A type of catheter used for intermittent urinary catheterization, designed to be inserted and removed immediately after the bladder is emptied.