I for a Normal Probability Distribution, About 95 Percent of the Area

question 133

Multiple Choice

i. For a normal probability distribution, about 95 percent of the area under normal curve is within
Plus and minus two standard deviations of the mean and practically all (99.73 percent) of the area
Under the normal curve is within three standard deviations of the mean.
ii. The total area under the normal curve is 1.
iii. The mean of a normal probability distribution is 500 and the standard deviation is 10. About 68
Percent of the observations lie between 480 and 520.

• A) (i), (ii), and (iii) are all correct statements.
• B) (i) is a correct statement but not (ii) or (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (i) and (ii) are correct statements but not (iii).
• E) (i), (ii), and (iii) are all false statements.

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Tax Rate

The share of income an individual or business entity is required to pay in taxes.

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A classification used in Canadian tax law for determining the depreciation rate for different types of tangible capital assets.

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A financial comparison metric that calculates the cost efficiency of leasing an asset rather than purchasing it, taking into account all associated expenses and savings.

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The percentage at which an individual or corporation is taxed, which can vary by income level, type of income, or legal entity.