TABLE 6-2 John Has Two Jobs. for Daytime Work at a Jewelry

question 146

Short Answer

TABLE 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 $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 Table 6-2, John's commission from the jewelry store will be between what two values symmetrically distributed around the population mean 90% of the time?

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Definitions:

Benevolence

The quality of being well-meaning; kindness.

Security

Denotes measures and protocols implemented to protect against theft, attack, or other threats to safety and stability.

Caudate Nucleus

A brain structure within the basal ganglia involved in various functions including learning, memory, and regulating voluntary movement.

Ventral Tegmental Area

A part of the brain involved in the reward circuitry and the release of dopamine, significant in motivation, pleasure, and addiction.