Lucy Baker Is Analyzing Demographic Characteristics of Two Television Programs,American $\sigma$

question 32

Multiple Choice

Lucy Baker is analyzing demographic characteristics of two television programs,American Idol (population 1) and 60 Minutes (population 2) . Previous studies indicate no difference in the ages of the two audiences. (The mean age of each audience is the same.) Her staff randomly selected 100 people from each audience,and reported the following: ₁ = 43 years and ₂ = 45 years. Assume that $\sigma$ ₁ = 5 and $\sigma$ ₂ = 8. With a two-tail test and $\alpha$ = .05,the critical z values are _________________.

• A) -1.64 and 1.64
• B) -1.96 and 1.96
• C) -2.33 and 2.33
• D) -2.58 and 2.58
• E) -2.97 and 2.97

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Definitions:

Selling Price

The price at which a product or service is sold to customers, determining the revenue generated from sales activities.

Note Payable

A written promise to pay a specified sum of money, usually with interest, by a certain date.

Financing Activities

Transactions related to raising capital and paying back investors, including issuing equity and debt as well as dividend payments.

Cash Flow Statement

A report summarizing the total cash entering a company from operational activities and external investments, alongside the total cash spent on business operations and investments within a specific timeframe.