Ambulance response time. Ambulance response time is measured as the time (in minutes) between the initial call to emergency medical services (EMS) and when the pa-tient is reached by ambulance. Geographical Analysis (Vol. 41, 2009) investigated the characteristics of ambu-lance response time for EMS calls in Edmonton, Alberta. For a particular EMS station (call it Station A), ambulance response time is known to be normally distributed with ?=7.5 minutes and ? = 2.5 minutes. a.Regulations require that 90% of all emergency calls should be reached in 9 minutes or less. Are the regulations met at EMS station A? Explain. b.A randomly selected EMS call in Edmonton has an ambulance response time of 2 minutes. Is it likely that this call was serviced by Station A? Explain.

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Ambulance response time. Ambulance response time is measured as the time (in minutes) between the initial call to emergency medical services (EMS) and when the pa-tient is reached by ambulance. Geographical Analysis (Vol. 41, 2009) investigated the characteristics of ambu-lance response time for EMS calls in Edmonton, Alberta. For a particular EMS station (call it Station A), ambulance response time is known to be normally distributed with ?=7.5 minutes and ? = 2.5 minutes.

a.Regulations require that 90% of all emergency calls should be reached in 9 minutes or less. Are the regulations met at EMS station A? Explain.

b.A randomly selected EMS call in Edmonton has an ambulance response time of 2 minutes. Is it likely that this call was serviced by Station A? Explain.

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