Mathematics
Mathematics, 15.01.2020 07:31, aprilhaters

Afire department in a rural county reports that its response time to fires is approximatelynormally distributed with a mean of 22 minutes and a standard deviation of 11.9 minutes. approximately what proportion of their response times is over 30 minutes? a) 0.03b) 0.21c) 0.25d) 0.75e) 0.79

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