The Roll of a Pair of Dice Has the Following

question 123

Multiple Choice

The roll of a pair of dice has the following probability distribution, where the random variable is the sum of the values produced by each die: Calculate the standard deviation of x.

• A) 3.415
• B) 2.333
• C) 3.125
• D) 2.415

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Definitions:

Revenue Decrease

A decline in the amount of money received from sales or services over a certain period.

Ethanol Imported

Refers to ethanol (a biofuel) that is bought from foreign producers and brought into a country’s borders, often used as an additive in gasoline.

Consumer Surplus

The contrast between the total expenditure consumers are willing to make on a good or service and the total expenditure they actually make.

Producer Surplus

The difference between what producers are willing to sell a good for and the actual price they receive, representing profit.