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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 income as a waiter will be between what two values symmetrically distributed around the population mean 90% of the time?
Racial Inequality
A disparity in opportunities, rights, and treatment experienced by individuals based solely on their race or ethnicity.
Theories
Systematically organized principles or explanations that have been accepted to explain certain phenomena or behaviors.
Patterns
Recurring characteristics or events that are observable in data, nature, or behaviors.
Probability Sampling
A sampling technique in which every member of the population has a known and non-zero chance of being selected.
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