A Frequency Distribution Has a Mean of 200 and a Standard

question 88

Multiple Choice

A frequency distribution has a mean of 200 and a standard deviation of 20. The class limits for one class are 220 up to 240. Based on the normal distribution,what is the probability that an observation would be in this class?

• A)0.1359
• B)0.3413
• C)0.4772
• D)0.8185

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Definitions:

Project Management

The practice of initiating, planning, executing, controlling, and closing the work of a team to achieve specific goals and meet specific success criteria.

Contingency Plans

Preparatory measures or strategies developed to address potential future events or situations that may affect the execution of a plan or project.

Additional Time

Extra time allocated beyond the originally planned or scheduled duration, often to complete a task or accommodate unforeseen delays.

Starting Phase

The initial period or stage of a process or activity during which things are set in motion.