Mathematics, 30.05.2021 06:00, taygotclout4786

Assume that 20% of students at a university wear contact lenses. We randomly pick 200 students. Would it be unusual to obtain a sample proportion of 22%? Answer by calculating the appropriate z-score. Round to two decimal places when necessary.

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Assume that 20% of students at a university wear contact lenses. We randomly pick 200 students. Wou...