Final exams at uo are generally considered either easy 20

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Final exams at UO are generally considered either easy (20%) or hard (80%). At the same time, the grades are usually perceived as either fair or not. Half of the hard exams and 80% of the easy ones have fair grades. You intend to check for any dependence. How many exams would you need to perform an analysis.

Reference no: EM13613774

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