An Analysis of the Grades on the First Test in History

question 44

Multiple Choice

An analysis of the grades on the first test in History 101 revealed that they approximate a normal curve with a mean of 75 and a standard deviation of 8. The instructor wants to award the grade of A to the upper 10% of the test grades. To the nearest percent,what is the dividing point between an A and a B grade?

• A)80
• B)85
• C)90
• D)95

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Definitions:

Producers

Individuals or businesses engaged in the creation of goods or services, aiming to sell them for a profit.

Tax Per Unit

A fixed amount of tax imposed on a product or service, regardless of its price.

Excise Tax

A tax applied to specific goods, services, or transactions, usually with the intent of discouraging their use or generating revenue.

Tax Per Unit

A specific tax levied on a product based on the number of units purchased, not the value of the purchase.