求翻译：任务三，分析安大略湖两年的取样检测数据，建立一个可以模式化每个变量分布的概率模型，得出每EPA标准下的被污染样本的比例为0.45，计算出各种情况下的概率接下来是什么意思？

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Task 3, Ontario two years of sample test data, to establish a pattern of each of the variables of the binomial distribution model, and concluded that each EPA standard of the contaminated samples of the ratio of 0.45, the calculation of the probability of the next

The duty three, analyzes the lake ontario two year sample examination data, establishes one to be possible to patternize each variable distribution probabilistic model, obtains under each EPA standard to pollute the sample the proportion is 0.45, calculates in each kind of situation the probability

Task three, analyzed two years of Lake Ontario sampling inspection data, the establishment of a model of probability distribution of each variable can be modeled, obtained under the EPA standard is 0.45 percentage of contaminated samples, calculate the probability of a variety of circumstances the n

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