A Manufacturer of Personal Computers Tests Competing Brands and Finds

question 75

Multiple Choice

A manufacturer of personal computers tests competing brands and finds that the amount of energy they require is normally distributed with a mean of 285 kwh and a standard deviation of 9.1 kwh. If the lowest 25 percent and the highest 30 percent are not included in a second round of tests, what are the upper and lower limits for the energy amounts of the remaining computers?

• A) [269.76, 300.24]
• B) [278.86, 289.78]
• C) [280.22, 289.78]
• D) [280.22, 300.24]

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Definitions:

Exchange Rates

The rate at which one currency is exchanged for another.

Accumulated Depreciation

The total amount of depreciation expense that has been recorded against a fixed asset over its useful life.

Balance Sheet

A financial statement that summarizes a company's assets, liabilities, and shareholders' equity at a specific point in time, providing a snapshot of its financial condition.

Sales

The transactions involving the exchange of goods or services for money, contributing to a company's revenue.