Mathematics, 10.10.2020 21:01 brianamelara
At the U. S. Open Tennis Championship a statistician keeps track of every serve that a player hits during the tournament. The statistician reported that the mean serve speed of a particular player was 97 miles per hour (mph) and the standard deviation of the serve speeds was 10 mph. If nothing is known about the shape of the distribution, give an interval that will contain the speeds of at least three-fourths of the player's serves.
A) 87 mph to 107 mph
B) 117 mph to 137 mph
C) 67 mph to 127 mph
D) 77 mph to 117 mph
Answers: 2
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Mathematics, 21.06.2019 20:00
Maurice has 54 fewer comic books than rebecca.they have 130 comic books together .how many comic books are in maurices collection ? how many comic books are in rebeccas collection
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At the U. S. Open Tennis Championship a statistician keeps track of every serve that a player hits d...
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