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Computational Problem: For the following, draw a curve, shade the relevant area, write out the formula...

Computational Problem: For the following, draw a curve, shade the relevant area, write out the formula in symbols/numbers, show calculations, and write your conclusions in a sentence.

Students must take a test in order to graduate from high school. The test has a population mean of 160, with a standard deviation of 13.

a. Students must earn a 145 or higher in order to graduate. What percent of students who take the test are allowed to graduate?

b. Students who score in the top ten percent are eligible for special scholarships. What score do they need to get to be eligible?

c. Jill has scored 170. Does she get to graduate from high school? Is she eligible for special scholarships?

d. At what percentile rank is Jill’s score?

Math   Statistics-And-Probability   
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