A Certain Model of Automobile Has Its Gas Mileage (In

question 71

Multiple Choice

A certain model of automobile has its gas mileage (in miles per gallon, or mpg) normally distributed, with a mean of 22 mpg and a standard deviation of 4 mpg. Find the probability that a car selected at random has gas mileage less than 21 mpg. Round your answer to four decimal places. ​

• A)0.4013
• B)0.9013
• C)0.0987
• D)0.5987
• E)0.1974

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Definitions:

Cash Account

An account recording all transactions involving cash, including receipts and payments.

Credit

A bookkeeping entry that represents a decrease in assets or an increase in liabilities, or it can refer to the provision of goods or services in exchange for future payment.

T Account

A graphical representation of a ledger account, used in accounting to depict debits and credits.

Debits

Entries made on the left-hand side of an accounting ledger, typically indicating increases in assets or expenses or decreases in liabilities, equity, and income.