For a Normal Distribution of 1000 Cases, How Many Cases

question 10

Multiple Choice

For a normal distribution of 1000 cases, how many cases will be farther away from the mean than ± 3 standard deviations?

• A) at least 500
• B) about 3
• C) 327
• D) it's impossible to estimate

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Definitions:

Federal Government Revenues

The income received by the federal government from various sources, including taxes, fees, and charges, used to fund public services and projects.

Individual Income Tax

A tax levied on the income of individuals, which varies according to the income levels and other factors.

Proportional Tax

A tax system where the tax rate is fixed and applied uniformly to all taxpayers, regardless of their income level.

Marginal Tax Rate

The percentage of tax applied to your income for each tax bracket in which you qualify, essentially the rate on the last dollar of income earned.