There Are a Number of Highly Touted Search Engines for Finding

question 23

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 critical value for the hypothesis test?

• A) z = ±196
• B) z = 1.645
• C) t = ±2.0456
• D) z = ±2.575

---

Definitions:

Video Podcast

A digital media file series, primarily consisting of video content, that is distributed over the Internet and can be downloaded or streamed by users.

Face-To-Face Conversation

Direct communication between two or more people, where they are physically present and can see each other.

Leanest

Referring to the most efficient and effective state of an operation with minimal waste.

Communication Medium

The method or channel through which communication occurs, such as email, telephone, or face-to-face conversations.