A Consumer Magazine Wants to Figure Out Which of Two

question 50

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 correct value of the test statistic?

• A) z = −0.9804
• B) t₁₀₉₈ = −0.9804
• C) z = 0.9804
• D) t₁₀₉₈ = 0.9804

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Definitions:

Likelihood

The probability or chance of an event occurring or a hypothesis being correct.

Pay

Remuneration given by an employer to an employee for their labor or services.

Credit Period

The duration during which a buyer can pay for purchased goods or services without incurring interest or penalties.

Discount Period

The time period between the present date and the maturity date of a bill of exchange or a delayed payment, during which a discounted price may be applied.