Last Year,KAAA's Share of the 6 Pm News Audience Was $\alpha$

question 81

Multiple Choice

Last year,KAAA's share of the 6 pm news audience was approximately equal to,but not greater than,25 percent.This station's advertising department believes the current audience share is higher than last year's 25 percent share.In an attempt to substantiate this belief,the station surveyed a random sample of 400 6 pm viewers and found that 146 watched KAAA.Find the critical value for testing these hypotheses at $\alpha$ = .001.

• A)3.09
• B)2.575
• C)2.33
• D)1.96
• E)3.00

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Definitions:

Freight Volume

The amount of goods, cargo, or freight being transported or capable of being transported.

Vocational

medium- and heavy-duty trucks used for specific work applications rather than linehaul. Examples would be dump trucks, milk tankers, fire trucks, cement trucks, cranes, fuel tankers, etc.

Countershafts

Secondary shafts in a gearbox that transmit motion from the main shaft to various gears, altering the output speed and torque.

Output Torque

The rotational force produced by a device or engine, measured at the output shaft.