A Group of 625 Students Has a Mean Age of 15.8

question 33

Short Answer

A group of 625 students has a mean age of 15.8 years with a standard deviation of 0.6 years. If the random variable x = Age is normally distributed,
a) What is the probability that a student will be younger than 16.2 years?
b) How many students are older than 16.2 years?

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Definitions:

Intelligence

The ability to learn from experience, adapt to new situations, solve problems, and use knowledge to manipulate one's environment or think abstractly.

Relationship

Involves a connection or association between two or more entities based on social, professional, or emotional grounds.

Leadership Effectiveness

The degree to which a leader is able to achieve desired outcomes, inspire followers, and adapt to changing environments.

Affective Measures

Assessments used to evaluate emotional states, attitudes, and feelings towards particular subjects or scenarios.