Find minimum sample size for estimating overall proportion

Reference no: EM13116626

a.) In a random sample of 200 students who took Exam P in 2009, 74 successfully passed the exam.
b.) Find the minimum sample size required for estimating the overall proportion of students who passed Exam P in 2009 to within 4% with 95% confidence if it is known that this proportion is between 30% and 40%.

Reference no: EM13116626

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