: Math exam scores are Normal with a Mean of 75 and a Standard Deviation of 15.; that is N(75, 15). Boris’s score is 82.05 and Bela’s score is 64.2.Find the percentage of students who has scores greater than Boris. ______Find the percentage of the students who had scores greater than Bela and less than Boris. _____________ Your final answer should be correct to 4 places after the decimal point.

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Answered: Math exam scores are Normal with a Mean…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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: Math exam scores are Normal with a Mean of 75 and a Standard Deviation of 15.; that is N(75, 15). Boris’s score is 82.05 and Bela’s score is 64.2.

Find the percentage of students who has scores greater than Boris. ______
Find the percentage of the students who had scores greater than Bela and less than Boris. _____________

Your final answer should be correct to 4 places after the decimal point.

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