Mathematics, 11.05.2021 18:50 vivi297
The duration of routine operations at Chicago General Hospital has approximately a normal distribution with an average of 130 minutes and a standard deviation of 12 minutes. What proportion of operations last at least 120 minutes?
A) 0.85
B) 0.79
C) 0.80
D) 0.66
Answers: 1
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The duration of routine operations at Chicago General Hospital has approximately a normal distributi...
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