Use the Following to Answer the Question(s) Below

question 18

Multiple Choice

Use the following to answer the question(s) below.
IT staff for a large corporation has developed the following probability distribution for the number of calls requiring troubleshooting problems per day.

-The standard deviation of the number of calls per day is

• A) 1.31.
• B) 1.14.
• C) 2.77.
• D) 1.56.
• E) 1.21.

---

Definitions:

Steam Engine

A heat engine that performs mechanical work using steam as its working fluid, pivotal in the development and spread of the Industrial Revolution.

Steel Plow

An agricultural tool made of steel, significant for its durability and efficacy in breaking tough soil, revolutionizing farming practices in the 19th century.

Segregated Pattern

A spatial arrangement where different groups are separated into different areas, often based on race, ethnicity, or socio-economic status.

Gender Lines

The distinctions or divisions made between genders, often referring to societal roles, behaviors, and expectations associated with being male or female.