A Mayor Is Concerned About the Percentage of City Residents

question 37

Multiple Choice

A mayor is concerned about the percentage of city residents who express disapproval of his job performance.His political committee pays for a newspaper ad,hoping that it will keep the disapproval rate below 21%.They will use a follow-up poll to assess the ad's effectiveness.

• A)H0: p > 0.21 HA: p < 0.21
• B)H0: p > 0.21 HA: p = 0.21
• C)H0: p < 0.21 HA: p = 0.21
• D)H0: p = 0.21 HA: p > 0.21
• E)H0: p = 0.21 HA: p < 0.21

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Definitions:

Routine

A block of code designed to perform a specific operation, often reusable, that is executed to accomplish a task in software development.

Program

A sequence of instructions to be executed by the processor to control a machine or process.

PLCs

Acronym for Programmable Logic Controllers, which are industrial digital computers designed for the automation of electromechanical processes.

CLX Controller

A type of programmable logic controller designed by Rockwell Automation, known for its scalability and performance in industrial automation systems.