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The mean number of words per minute (WPM) typed by a speed typist is 104 104 with a variance of 196 196 . What is

The mean number of words per minute (WPM) typed by a speed typist is104

104with a variance of196

196.

What is the probability that the sample mean would be greater than104.7

104.7WPM if100

100speed typists are randomly selected? Round your answer to four decimal places.

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