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)H₀ : μ₁ = μ₂ B)H₀ : p₁ ≠ p₂ C)H₀ : ₁ = ₂ D)H₀ : p₁ = p₂

Question

Quizplus · Accepted Answer

The null hypothesis being tested is whether there is a significant difference between the proportion of successful search queries for search engine 1 (p1) and search engine 2 (p2). Therefore, option B is the correct choice, as it tests the difference between two proportions. Options A and D involve testing the equality of means or proportions, which is not relevant in this case. Option C does not provide a clear hypothesis to be tested.

There Are a Number of Highly Touted Search Engines for Finding