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Probability Assignment | Professional Writing Services

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January 23rd, 2020

One -hour carbon monoxide concentrations in air samples froma large city have an approximately exponential distribution with mean 3.6 ppm(parts per million).

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(a) Find the probability that the carbon monoxide concentration exceeds 9ppm during a randomly selected one-hour period.(b) A traffic-control strategy reduced the mean to 2.5 ppm. Now find the probability that the concentration exceeds 9 ppm.

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