A company is studying the number of monthly absences among its 125 employees. The following probability distribution shows the likelihood that people were absent 0, 1, 2, 3, 4, or 5 days last month.Number of Days AbsentProbability00.6010.2020.1230.0440.0450.00What is the variance of the number of days absent?
A. 55.52
B. 1.41
C. 1.1616
D. 5.00
Answer: C
You might also like to view...
What is the main purpose of the executive summary in a marketing plan?
What will be an ideal response?
Which of the following statements is true of workgroup information systems?
a. Workgroup information systems that support a particular department are called enterprise information systems. b. Workgroup information systems typically support 10 to 100 users. c. Workgroup information systems that support a particular business function are called personal information systems. d. The users of workgroup information systems are defined by levels of security authorization.
Threadbare Industries is a new high-end textile company that has raised sufficient capital from multiple sources. It is planning to use its capital to purchase certain assets. Which of the following assets will be the most difficult for Threadbare Industries to acquire using its capital?
A. a lease for a new building B. brand name C. a new CEO D. software
Performance management is a kind of compass that indicates a person's actual direction as well as a person's desired direction.
Answer the following statement true (T) or false (F)