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Mathematics, 16.07.2019 03:10 wendelkristen

Times for an ambulance to respond to a medical emergency in a certain town are normally distributed with a mean of 400 seconds and a standard deviation of 50 seconds.
suppose there are 144 emergencies in that town.
in about how many emergencies are the response times expected between 350 seconds and 450 seconds?
a. 49
b. 51
c. 96
d. 98

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