A Consumer Magazine Wants to Figure Out Which of Two

question 48

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 competing hypotheses?

• A) H₀: p = p₀ ,H_A: p ≠ p₀
• B) H₀: p₁- p₂ = 0,H_A: p₁-p₂ ≠ 0
• C) H₀: p₁-p₂ ≤ 0,H_A: p₁-p₂ > 0
• D) H₀: p₁-p₂ ≥ 0,H_A: p₁-p₂ < 0

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