Question: Confidence level and sample size. Refer to Example 8.6 (page 499). Suppose the university was interested in a 90% confidence interval with margin of error

Confidence level and sample size. Refer to Example 8.6 (page 499).

Suppose the university was interested in a 90% confidence interval with margin of error 0.03. Would the required sample size be smaller or larger than 1068 students? Verify this by performing the calculation.

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