Hypothesis for proportion

Reference no: EM1312686

Suppose 6 out of 15 students in a grade-school class develop influenza, whereas 20% of grade-school students nationwide develop influenza. Is there evidence of an excessive number of cases in the cases in the class? That is, what is the probability of obtaining at least 6 cases in this class if the nationwide rate holds True?

Reference no: EM1312686

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