Assuming independence of the outcomes of analyses


Question:

Water samples are taken from a river once a week. Let X denote the number of samples taken over a period of 20 weeks which are polluted. It is known that on average 10% of the samples are polluted. Assuming independence of the outcomes of the sample analyses, what is the probability that X exceeds its mean by more than one standard deviation?

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Other Subject: Assuming independence of the outcomes of analyses
Reference No:- TGS02019721

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