Customers Arrive at the One Remaining Full-Service Gas Station in the Country

question 54

Multiple Choice

Customers arrive at the one remaining full-service gas station in the country at the rate of 45 per minute and are served by the first available of three pump jockeys who can dole out gas and check oil at the rate of 20 customers per minute. Both service and interarrival times are governed by the exponential distribution. The probability that no pump jockey is busy is 0.0748.
-Use the information in Scenario C.3.What is the average number of customers in line?

• A) Fewer than or equal to 2.0
• B) Greater than 2.0 but fewer than or equal to 3.0
• C) Greater than 3.0 but fewer than or equal to 4.0
• D) Greater than 4.0

Identify and analyze the socio-economic impacts of physical attributes like height and weight on individuals' opportunities and life outcomes.

Recognize the role of nutrition and income in influencing physical development and population health trends.

Analyze the medical and societal definitions of disability, impairment, and the environmental factors that exacerbate disability.

Understand the historical and cultural variability in the treatment and perception of body stages and conditions, such as menopause and obesity.

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Definitions:

Macrophages

A type of lymphocytes that attacks invading organisms.

Immune System Organs

Organs involved in the body's defense against pathogens, including the thymus, spleen, lymph nodes, and bone marrow.

Liver

The largest gland in the body; it aids digestion by producing bile, regulates organic components of the blood, and acts as a detoxifier of blood.

Thymus

An organ located near the heart that secretes thymosin and thus processes and activates T-cells.