Mathematics, 12.03.2021 04:10, baue4431

The discharge of suspended solids from a phosphate mine is normally distributed, with a mean daily discharge of 27 milligrams per liter (mg/l) and a standard deviation of 7 mg/l. What value of discharge is exceeded only 20% of the time?

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The discharge of suspended solids from a phosphate mine is normally distributed, with a mean daily d...