You Want to Estimate the Average Gas Price in Your

question 39

Multiple Choice

You want to estimate the average gas price in your city for a litre of regular unleaded gasoline with 90% confidence.You believe that the standard deviation of prices is $0.04.If you wish to achieve a margin of error no larger than $0.02,how many gas stations should you sample?

• A)13
• B)11
• C)12
• D)14
• E)10

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Definitions:

Hart-Celler Act

1965 law that eliminated the national origins quota system for immigration established by laws in 1921 and 1924; led to radical change in the origins of immigrants to the United States, with Asians and Latin Americans outnumbering Europeans.

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Coordinated terrorist attacks by the Islamic extremist group al-Qaeda against the United States on September 11, 2001, leading to significant global impact.

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Areas near or along a border that serve as zones of interaction and often conflict between neighboring nations or cultures.

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A U.S. government agency tasked with coordinating the response to disasters that occur in the United States and overwhelm local and state authorities.