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The number of 911 calls in Butte, Montana, has a Poisson distribution with a mean of 10.0 calls a day. The standard deviation of the number of 911 calls in a day is ________.
Momoyama
A period in Japanese history (1573–1603), characterized by a unique style of art and architecture that emerged during the transition from feudal Japan to the unified Edo period.
Nara
A city in Japan known for its historic temples and artwork from the Japanese Nara period (710-794).
Muromachi
A period in Japanese history (1336-1573) characterized by the cultural achievements and military conflicts during the rule of the Ashikaga Shogunate.
Edo
The historical name for Tokyo during the period from 1603 to 1868, when it was the seat of the Tokugawa shogunate in Japan.
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