Light Bulbs Are Measured in Lumens (Light Output), Watts (Energy

question 13

Multiple Choice

Light bulbs are measured in lumens (light output) , watts (energy used) , and hours (life) .A standard white light bulb has a mean life of 675 hours and a standard deviation of 50 hours.
A soft white light bulb has a mean life of 700 hours and a standard deviation of 35 hours.At
A local science competition, both light bulbs lasted 750 hours.Which light bulb's life span
Was better?

• A)The standard white light bulb because it is 75 hours beyond the mean.
• B)The soft white light bulb because it is 50 hours beyond the mean.
• C)The standard white light bulb because it is 11% beyond the mean.
• D)The soft white light bulb because it is 7% beyond the mean.
• E)The standard light bulb because it lasted 1.5 standard deviations above the mean life.

Recognize the importance of environmental factors and community infrastructure in disease prevention.

Understand the historical development of public health initiatives and their impact on community health.

Analyze the role of government and non-governmental organizations in the advancement of public health.

Identify key figures and their contributions to public health and nursing.

---

Definitions:

Prepaid Insurance

The portion of an insurance premium that has been paid in advance and is recognized as an asset until it is consumed over time.

Adjusting Entry

A financial transaction documented at the close of an accounting cycle to apportion income and costs to the suitable period.

Depreciation

The process of allocating the cost of a tangible or physical asset over its useful life, reflecting wear and tear.

Adjustments

Corrections or changes made to the book balances of accounts to reflect more accurate values in financial accounting.