Mathematics, 11.05.2021 19:20 ReaFam
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 lasted less than 118 minutes?
A) 0.16
B) 0.79
C) 0.80
D) 0.66
Answers: 2
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Mathematics, 21.06.2019 20:30
Acompany produces packets of soap powder labeled “giant size 32 ounces.” the actual weight of soap powder in such a box has a normal distribution with a mean of 33 oz and a standard deviation of 0.7 oz. to avoid having dissatisfied customers, the company says a box of soap is considered underweight if it weighs less than 32 oz. to avoid losing money, it labels the top 5% (the heaviest 5%) overweight. how heavy does a box have to be for it to be labeled overweight?
Answers: 3
Mathematics, 21.06.2019 21:30
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Answers: 3
The duration of routine operations at Chicago General Hospital has approximately a normal distributi...
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