A Consumer Magazine Wants to Figure Out Which of Two

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