An Environmental Group at a Local College Is Conducting Independent

question 77

Multiple Choice

An environmental group at a local college is conducting independent tests to determine the distance a particular make of automobile will travel while consuming only 1 gallon of gas.They test a sample of five cars and obtain a mean of 28.2 miles.How many cars should the environmental group test if they wish to estimate μ,mean miles per 1 gallon,to within 0.5 miles and be 99 percent confident? Assume a population standard deviation of 2.7 miles.

• A) 25
• B) 124
• C) 194
• D) 618
• E) 619

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Definitions:

Price Paid

Refers to the amount of money exchanged for a good or service at the time of the transaction.

Per-Unit Tax

A fixed amount of tax imposed on each unit of a good or service sold.

Effective Price

The actual price paid by consumers after accounting for taxes, subsidies, or any other adjustments to the sticker price.

Sellers

individuals or entities that offer goods or services in exchange for payment.