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The mean number of words per minute (WPM) typed by a speed typist is 79 with a variance of 225. What is the probability

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The mean number of words per minute (WPM) typed by a speed typist is 79 with a variance of 225. What is the probability that the sample mean would be greater than 76.6 WPM if 97 speed typists are randomly selected? Round your answer to four decimal pla Answer How to enter your answer (opens in new window) Tables Keyhnand

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