Ten High-Intensity Bulbs Are Tested for 100 Hours Each

question 78

Essay

Ten high-intensity bulbs are tested for 100 hours each. One failed at 40 hours; another failed at 70 hours; all others completed the test. Calculate FR(%), FR(N), and MTBF.

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Definitions:

Profit Margin

A financial metric measuring the amount of net income generated as a percentage of revenue, indicating the efficiency of a company in converting sales into profits.

Net Income

The total profit of a company after all expenses and taxes have been deducted from revenues, indicating the company's profitability.

Sales Increase

A rise in the amount of goods or services sold by a company, indicating a growth in revenue.

Additional Debt

New borrowing taken on by a company or individual, in addition to any existing debt.