For Questions , Use the Following Narrative

question 9

Essay

For Questions , use the following narrative
Narrative: Test scores
Suppose that test scores on a particular exam have a mean of 77 and standard deviation of 5, and that they have a bell-shaped curve.
-{Test scores narrative} Suppose you take a single random sample of size 100 from this population, and you get a mean test score of 79.Is this something that you would have expected? Use a probability to justify your answer.

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Definitions:

Fragile X

A genetic condition caused by a mutation on the X chromosome, leading to intellectual disabilities, physical features, and behavioral issues.

Fetal Alcohol Syndrome

A condition in a child that results from alcohol exposure during the mother's pregnancy, causing growth, mental, and physical problems.

Developmental Delay

A condition where a child does not reach their developmental milestones within the expected time frames.

Howard Gardner

An American developmental psychologist best known for his theory of multiple intelligences, which suggests that intelligence is not a single ability but a combination of several distinct types.