Question: Suppose that, for a certain exam, a teacher grades on a curve. Frequency 2.2% 34.1% 34.1% 2.2% 0.1% 0.1% 13.6% 13.6% u-30 1-20 u-10 1

Suppose that, for a certain exam, a teacher grades on a curve. Frequency 2.2% 34.1% 34.1% 2.2% 0.1% 0.1% 13.6% 13.6% u-30 1-20 u-10 1 utlo u+20 u+30 It is known that the mean is 55 and the standard deviation is 5. There are 40 students in the class. If an exam paper is selected at random, what is the probability that it will be a falling paper? (Round your answer to three decimal places.) 21. I-/1 Pointsl DETAILS

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