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Suppose that, for a certain exam, a teacher grades on a curve. 2.2% 2.2% 34.1% 34.1% 0.1% 0.1% 13.6% 13.6% μ-3σ μ-2σ μ-Ισ u+lo µ+2o µt3o It is known that the mean is 60 and the standard deviation is 5. There are 30 students in the class. If an exam paper is selected at random, what is the probability that it will be a failing paper? (Round your answer to three decimal places.)

Suppose that, for a certain exam, a teacher grades on a curve. 2.2% 2.2% 34.1% 34.1% 0.1% 0.1% 13.6% 13.6% μ-3σ μ-2σ μ-Ισ u+lo µ+2o µt3o It is known that the mean is 60 and the standard deviation is 5. There are 30 students in the class. If an exam paper is selected at random, what is the probability that it will be a failing paper? (Round your answer to three decimal places.)

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Suppose that, for a certain exam, a teacher grades on a curve. 2.2% 2.2% 34.1% 34.1% 0.1% 0.1% 13.6% 13.6% μ-3σ μ-2σ μ-Ισ u+lo u+20 u+3o It is known that the mean is 60 and the standard deviation is 5. There are 30 students in the class. If an exam paper is selected at random, what is the probability that it will be a failing paper? (Round your answer to three decimal places.) Need Help? Read It
Transcribed Image Text:Suppose that, for a certain exam, a teacher grades on a curve. 2.2% 2.2% 34.1% 34.1% 0.1% 0.1% 13.6% 13.6% μ-3σ μ-2σ μ-Ισ u+lo u+20 u+3o It is known that the mean is 60 and the standard deviation is 5. There are 30 students in the class. If an exam paper is selected at random, what is the probability that it will be a failing paper? (Round your answer to three decimal places.) Need Help? Read It
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