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 alternative hypothesis is _______. A) p₁ - p₂ $\neq$ 0 B) $\mu$₁ - $\mu$₂ 0 C) p₁ - p₂ 0 D) $\mu$₁ - $\mu$₂ $\neq$ 0 E) $\mu$₁ - $\mu$₂ ≥ 0

Question

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 alternative hypothesis is _______. A) p₁ - p₂ $\neq$ 0 B) $\mu$₁ - $\mu$₂ > 0 C) p₁ - p₂ > 0 D) $\mu$₁ - $\mu$₂ $\neq$ 0 E) $\mu$₁ - $\mu$₂ ≥ 0

Quizplus · Accepted Answer

The alternative hypothesis should state that there is a significant difference between the proportion of orders shipped within 24 hours from the West Coast Warehouse and the proportion of orders shipped within 24 hours from the East Coast Warehouse. Therefore, the correct option is C, which states the difference between the two proportions.

Maureen McIlvoy,owner and CEO of a Mail Order Business for Wind