Instruction 6.2 John Has Two Jobs. for Daytime Work at a Jewellery

question 162

Short Answer

Instruction 6.2
John has two jobs. For daytime work at a jewellery 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 6.2,John's income as a waiter will be between what two values symmetrically distributed around the population mean 80% of the time?

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Definitions:

Formal Charge

The official accusation made against a person by authorities, initiating legal action.

Criminal Offense

An act or omission punishable by law as forbidden by statute or injurious to the public welfare.

Arraignment

The initial court appearance of a defendant, where charges are read and the accused responds by entering a plea of guilty, not guilty, or no contest.

Presumption Of Innocence

The principle that a person is considered innocent until proven guilty in a court of law.