Table A2 -For This Question,please Use the Standard Normal Distribution Table,Table A2.It

question 90

Multiple Choice

Table A2
-For this question,please use the standard normal distribution table,Table A2.It has been estimated that the mean time required to complete a project is 20 weeks and the variance of project completion time is 9 weeks.What is the probability that the project will be completed in 23 weeks?

• A)34%
• B)50%
• C)68%
• D)84%

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Definitions:

Self-antigens

Molecules produced by an organism's own body that, under normal circumstances, do not trigger an immune response.

Monocyte

Type of white blood cell; large phagocytic white blood cell that moves from the blood into tissues and becomes a macrophage.

Macrophage

A type of white blood cell that engulfs and digests cellular debris, foreign substances, and pathogens, playing a key role in the immune system.

Infected Tissue

Body tissues that have been invaded by pathogenic microorganisms such as bacteria, viruses, or fungi, leading to disease.