There Are a Number of Highly Touted Search Engines for Finding

question 53

Multiple Choice

There are a number of highly touted search engines for finding things of interest on the Internet.Recently a consumer rating system ranked two search engines ahead of the others.Now,a computer user's magazine wishes to make the final determination regarding which one is actually better at finding particular information.To do this,each search engine was used in an attempt to locate specific information using specified keywords.Both search engines were subjected to 100 queries.Search engine 1 successfully located the information 88 times and search engine 2 located the information 80 times.Using a significance level equal to 0.05,what is the null hypothesis to be tested?

• A) : =
• B) : ≠
• C) : =
• D) : =

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Definitions:

MR

Short for Marginal Revenue, which is the additional income earned by selling one more unit of a product or service.

ATC

Average Total Cost, which is the total cost of production (fixed plus variable costs) divided by the quantity of output produced.

ATC

Average Total Cost, which is the total cost of production divided by the quantity of output produced.

Price Charged

The amount of money demanded for a product or service in the market.