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Mathematics, 09.09.2020 18:01 leothedrifter

.At the U. S. Open Tennis Championship a statistician keeps track of every serve that a player hits during the tournament. Thestatistician reported that the mean serve speed of a particular player was 97 miles per hour (mph) and the standard deviationof the serve speeds was 13 mph. Assume that the statistician also gave us the information that the distribution of the servespeeds was mound-shaped and symmetric. What proportion of the player's serves was between 110 mph and 136 mph

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