A Consumer Magazine Wants to Figure Out Which of Two

question 47

Multiple Choice

A consumer magazine wants to figure out which of two major airlines lost a higher proportion of luggage on international flights. The magazine surveyed Standard Air (population 1) and Down Under airlines (population 2) . Standard Air lost 45 out of 600 bags. Down Under airlines lost 30 of 500 bags. Does Standard Air have a higher population proportion of lost bags on international flights? Which of the following is the appropriate conclusion at the 5% significance level?

• A) Reject H₀; we can conclude that the proportion of lost luggage is higher for Standard Air than for Down Under airlines.
• B) Reject H₀; we cannot conclude that the proportion of lost luggage is higher for Standard Air than for Down Under airlines.
• C) Fail to reject H₀; we can conclude that the proportion of lost luggage is higher for Standard Air than for Down Under airlines.
• D) Fail to reject H₀; we cannot conclude that the proportion of lost luggage is higher for Standard Air than for Down Under airlines.

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Definitions:

Senior Employee

An employee who holds a higher rank within an organization, often because of longer tenure or greater experience.

Promotion Decisions

Promotion decisions are the determinations made within an organization regarding the advancement of employees to higher positions, based on criteria like performance, seniority, and organizational needs.

Just Cause Discipline

A principle that requires employers to provide a fair and valid reason for disciplinary actions, such as termination or suspension, against an employee.

Seniority Rights

Policies that prioritize longer-serving employees for promotions, benefits, and protections within a company, often during layoffs.