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.
Correct Answer:
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no.The standard score is +4.sa...View Answer
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