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Suppose the test scores for a college entrance exam are normally distributed with a mean of...

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Statistics

Suppose the test scores for a college entrance exam are normallydistributed with a mean of 450 and a s. d. of 100.
a. What is the probability that a student scores between 350 and550?

b. If the upper 3% scholarship, what score must a studentreceive to get a scholarship?

c. Find the 60th percentile of the test scores.

d. Find the middle 30% of the test scores.

Answer & Explanation Solved by verified expert
3.8 Ratings (640 Votes)
a Let X denotes score of a    See Answer
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