Each sample of water has a 10% chance of containing a particular organic pollutant. Assume that the samples are independent with regard to the presence of the pollutant. - H a. Find the probability that, in the next 18 samples, exactly 2 contain the pollutant. b. What is the probability that in the next 20 samples at least 1 sample contain the pollutant? What is the probability that at most 2 samples are polluted in next 20 samples? d. What is the probability that at least 2 out of samples are polluted? C.

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