To Find Proportion of the Area Under the Normal Curve

question 12

Multiple Choice

To find proportion of the area under the normal curve between two Z scores,one below the mean and the other above the mean,it is necessary to examine the

• A)sum of the areas between each Z score and the mean.
• B)difference of the areas between each Z score and the mean.
• C)sum of the areas beyond each Z score and the mean.
• D)difference of the areas beyond each Z score and the mean.

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Definitions:

Excludable

A characteristic of a good or service that means it can be restricted to only those who pay for it; the opposite of a public or non-excludable good.

Rival in Consumption

A characteristic of goods where one individual's consumption prevents or decreases others' ability to consume the same good.

Corrective Tax

A tax designed to correct market outcomes by accounting for externalities, encouraging more efficient allocation of resources.

Variable Toll

A pricing strategy that adjusts toll amounts based on current traffic conditions, often used to manage congestion on roads.