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

question 27

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,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:

Operant Conditioning

A learning approach where the robustness of a behavior is changed by providing motivation or administering discipline.

Operant Conditioning

A form of learning in which the degree of a behavior is modified by giving reinforcements or implementing disciplinary actions.

Autism

A developmental disorder characterized by difficulties with social interaction and communication, and by restricted and repetitive behavior.

Socially Interact

The process of engaging and communicating with others in a society, forming relationships and networks.