# Chlorine concentration in a municipal water supply is a uniformly distributed random

Chlorine concentration in a municipal water supply is a uniformly distributed random variable that ranges between 0.67 ppm and 0.97 ppm.

(a) What is the mean chlorine concentration? (Round your answer to 2 decimal places.)

Mean chlorine concentration ppm =

(b) Calculate the standard deviation? (Round your answer to 4 decimal places.)

Standard deviation ppm

(c) What is the probability that the chlorine concentration will exceed 0.92 ppm on a given day? (Round your answer to 4 decimal places.)

Probability

(d) What is the probability that the chlorine concentration will be under 0.74 ppm? (Round your answer to 4 decimal places.)

Probability

(e) What is the probability that the chlorine concentration will be between 0.82 ppm and 0.88 ppm? (Round your answer to 4 decimal places.)

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