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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 ________.
Psychologists
Professionals who study mental processes and behavior by observing, interpreting, and recording how individuals relate to one another and their environments.
Academic Institutions
Organizations dedicated to education and research, which may include schools, colleges, and universities that offer a range of learning and teaching opportunities.
Mental Health Facilities
Institutions specialized in providing services and support for people with mental health issues, ranging from counseling to inpatient care.
Psychiatric Wards
Hospital divisions specifically designated for the care and treatment of individuals with mental health disorders.
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