Maureen McIlvoy, Owner and CEO of a Mail Order Business $\mu$

question 48

Multiple Choice

Maureen McIlvoy, owner and CEO of a mail order business for wind surfing equipment and supplies, is reviewing the order filling operations at her warehouses.Her goal is 100% of orders shipped within 24 hours.In previous years, neither warehouse has achieved the goal, but the East Coast Warehouse has consistently out-performed the West Coast Warehouse.Her staff randomly selected 200 orders from the West Coast Warehouse (population 1) and 400 orders from the East Coast Warehouse (population 2) , and reports that 190 of the West Coast Orders were shipped within 24 hours, and the East Coast Warehouse shipped 372 orders within 24 hours.Maureen's null hypothesis is ____.

• A)p₁ - p₂ = 0
• B)\(\mu\)₁ - \(\mu\)₂ = 0
• C)p₁ - p₂ ≥ 0
• D)\(\mu\)₁ - \(\mu\)₂ ≤ 0
• E)\(\mu\)₁ - \(\mu\)₂ ≥ 0

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