Question

Strength Of Materials

Each sample of water has a 35% chance of containing a particular organic pollutant. Assume that the samples are independent with regard to the presence of the pollutant. Find the following

(b) The probability that, in the next 15 samples, a minimum of 3 samples contain the pollutant (use the Binomial Tables).

(c) The probability that, in the next 15 samples, a maximum of 9 samples contain the pollutant (use the Binomial Tables).

(d) The probability that, in the next 15 samples, a minimum of 2 and a maximum of 8 samples contain the pollutant (use the Binomial Tables).

a) The probability that, in the next 15 samples, exactly 2 contain the pollutant.


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