A Company Has Developed a New Ink-Jet Cartridge for Its

question 159

Multiple Choice

A company has developed a new ink-jet cartridge for its printer that it believes has a longer life-time on average than the one currently being produced. To investigate its length of life, 225 of the new cartridges were tested by counting the number of high-quality printed pages each was able to produce. The sample mean was determined to be 1511.4 pages. The population standard deviation is known to be 35.7 pages. The historical average lifetime for cartridges produced by the current process is 1502.5 pages.
-What is the rejection point for α = .05 to test the hypotheses?

• A)1.645
• B)-1.645
• C)1.96
• D)1.28
• E)-1.96

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Definitions:

Multiple-Step

An income statement format that segregates operating revenues and expenses from non-operating revenues, expenses, gains, and losses.

Revenues

Revenue that comes from regular business activities, factoring in discounts and allowances for products that are returned.

Expenses

The outflows or using up of assets or incurring of liabilities during a period from delivering goods, rendering services, or carrying out other activities that constitute the entity’s ongoing major operations.

FOB Shipper's Dock

A shipping term indicating that the buyer assumes responsibility for the goods once they are shipped, and the goods are considered delivered at the shipper's dock.