OpenStax, Introductory Statistics 2e §8.3 A Population Proportion · Try It 3 · Statistics · Confidence intervals
A Population Proportion · Try It 3
b. In a sample of 300 students, 68% said they own an iPod and a smart phone. Compute a 97% confidence interval for the true percent of students who own an iPod and a smartphone.
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OpenStax, Introductory Statistics 2e · §8.3 A Population Proportion · Try It 3
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