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8. Sampling Distributions & Confidence Intervals: Proportion / Confidence Intervals for Population Proportion / Problem 2
Problem 2
A tech‐industry poll surveys software developers and finds of them prefer to write unit tests before coding new features. The team uses bootstrap replicates to estimate a confidence interval for the true proportion of all developers who follow this practice. From the bootstrap distribution, the th percentile is and the th percentile is . Compute the normal‐approximation interval and compare it to the bootstrap result.