Suppose that, for a certain exam, a teacher grades on a curve. This app 2.2% 34.1% 34.1% 0.1% 13.6% 13.6% μ-3σ μ-2σ μ-Ισ μ μ+1σ μ+2σ μ+3σ It is known that the mean is 50 and the standard deviation is 10. There are 45 students in the class. 2.2% 0.1% 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.) X Suggested tutorial: Learn It: Calculate Probabilities for a Nonstandard Normal Distribution.
Suppose that, for a certain exam, a teacher grades on a curve. This app 2.2% 34.1% 34.1% 0.1% 13.6% 13.6% μ-3σ μ-2σ μ-Ισ μ μ+1σ μ+2σ μ+3σ It is known that the mean is 50 and the standard deviation is 10. There are 45 students in the class. 2.2% 0.1% 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.) X Suggested tutorial: Learn It: Calculate Probabilities for a Nonstandard Normal Distribution.
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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Transcribed Image Text:Suppose that, for a certain exam, a teacher grades on a curve.
Frequency
0.1%
2.2%
34.1% 34.1%
13.6%
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2.2%
13.6%
μ-3σ μ-2σ μ-1σ
н
μ+1σ μ+2σ μ+3σ
It is known that the mean is 50 and the standard deviation is 10. There are 45 students in the class.
0.1%
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.)
Suggested tutorial: Learn It: Calculate Probabilities for a Nonstandard Normal Distribution.
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