You Were Told That the Mean Score on a Statistics

question 166

Short Answer

You were told that the mean score on a statistics exam is 75 with the scores normally distributed.In addition,you know the probability of a score between 55 and 60 is 4.41% and that the probability of a score greater than 90 is 6.68%.What is the probability of a score lower than 55?

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Definitions:

Formal Operational

The stage in Piaget's theory of cognitive development where individuals gain the ability to think abstractly, logically, and systematically.

Concrete Operational

A stage in Piaget's theory of cognitive development during which children gain the ability to think logically about concrete events.

Preoperational

A stage in Piaget’s cognitive developmental theory during which children from ages 2 to 7 engage in symbolic play and struggle with taking the perspective of others.

Postformal

A stage of cognitive development beyond formal operational thought, where individuals can understand and integrate conflicting ideas, abstract reasoning, and situational flexibility.