Suppose You Are Testing the Null Hypothesis That a Population $\sigma$

question 101

Multiple Choice

Suppose you are testing the null hypothesis that a population mean is less than or equal to 46, against the alternative hypothesis that the population mean is greater than 46.If the sample size is 25, $\sigma$ is known, and α = .01, the critical value of z is _______.

• A)1.645
• B)-1.645
• C)1.28
• D)-2.33
• E)2.33

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Definitions:

Aggregate Plan

A planning methodology aimed at determining overall output levels in the medium term, typically involving production, inventory, and workforce levels.

Overtime Cost

The extra expenses incurred by employers for work performed by employees beyond their regular working hours, often paid at a higher rate.

Inventory Holding Cost

The total cost of storing and managing a company's inventory over a certain period, including warehousing, depreciation, obsolescence, and insurance.

Transportation Method

A type of linear programming problem that focuses on finding the most efficient allocation of resources to minimize the cost of transportation.