Essay
The analytic scores on a standardized aptitude test are known to be normally distributed with mean
and standard deviation
(a) Draw a normal curve with the parameters labeled.
(b) Shade the region that represents the proportion of test takers who scored less than 725.
(c) Suppose the area under the normal curve to the left of X = 725 is 0.8413. Provide two interpretations of this result.
Correct Answer:

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(a), (b)
(c) The two interpretations ar...View Answer
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