Mathematics, 29.01.2020 17:51 mchillery1028
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 would be greater than 77.21 wpm? round your answer to four decimal places.
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The mean number of words per minute (wpm) read by sixth graders is 81 with a standard deviation of 1...
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