Math Problem Statement

Use the sample data to compute a 95% confidence interval for the true proportion of Gastown residents living below the poverty line.

(Please carry answers to at least six decimal places in intermediate steps. Give your final answer to the nearest four decimal places).

95% confidence interval =

Solution

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Math Problem Analysis

Mathematical Concepts

Statistics
Confidence Intervals
Proportions

Formulas

Confidence Interval Formula for Proportions: CI = p̂ ± Z(α/2) * √(p̂(1 - p̂)/n)
Sample Proportion: p̂ = x / n
Margin of Error: ME = Z(α/2) * √(p̂(1 - p̂) / n)

Theorems

Central Limit Theorem (for large sample sizes)

Suitable Grade Level

Undergraduate or Advanced High School (Grades 11-12)