Mathematics, 19.07.2019 15:00 serenityparish
Times for an ambulance to respond to a medical emergency in a certain town are normally distributed with a mean of 450 seconds and a standard deviation of 50 seconds. suppose there are 288 emergencies in that town. in about how many emergencies are the response times expected between 400 seconds and 500 seconds? a) 92 b) 98 c) 144 d) 196
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