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:

Credit Balance

This occurs when the total credits in an account exceed the total debits, often indicating money owed to a customer or client.

Adjusting Entry

An amended bookkeeping entry made to rectify or allocate transactions to the appropriate accounting period or ensure that revenues and expenses are recorded in the period they occur.

Doubtful Accounts

Accounts receivable that a company believes might not be collected due to credit risk.

Allowance Method

An accounting technique used to estimate and anticipate uncollectible accounts receivable and bad debts.