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The mean number of words per minute (WPM) read by sixth graders is 81 with a standard deviation of 17 WPM. If 130 sixth graders
The mean number of words per minute (WPM) read by sixth graders is 81 with a standard deviation of 17 WPM. If 130 sixth graders are randomly selected, what is the probability that the sample mean differs from the population mean by more than 2.11 words per minute?
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Fundamentals Of Statistics
Authors: Michael Sullivan III
4th Edition
978-032184460, 032183870X, 321844602, 9780321838704, 978-0321844606
