If the Decision Is to Reject the Null Hypothesis of No

question 99

Multiple Choice

If the decision is to reject the null hypothesis of no difference between two population proportions at the 5% level of significance,what are the alternative hypothesis and rejection region?

• A)H₁: π₁ ≠ π₂; z > +1.645 and z < −1.645
• B)H₁: π₁ ≠ π₂; z > +1.960 and z < −1.960
• C)H₁: π₁ > π₂; z < −1.645
• D)H₁: π₁ > π₂; z < −1.960

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Definitions:

Procurement

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Demand Uncertainty

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Supplier's Demand

The quantity of materials or products required by a supplier from upstream suppliers to meet customer orders or production schedules.

Outsourcing

Outsourcing is the business practice of hiring a party outside a company to perform services or create goods that traditionally were performed in-house by the company's own employees.