Test chlorine concentration in municipal water supply

Reference no: EM13100443

Please explain using Excel.

Chlorine concentration in a municipal water supply is a uniformly distributed random variable that ranges between 0.74 ppm and 0.98 ppm.

a) What is the mean chlorine concentration?

b) The standard deviation?

c) What is the probability that the chlorine concentration will exceed 0.80 ppm on a given day?

d) Will be under 0.85 ppm?

e) Will be between 0.80 ppm and 0.90 ppm?

f) Why is chlorine added to municipal water? What if there is too much? Too little?

Reference no: EM13100443

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