Confidence Intervals by Hand: 90% CI for a Population Proportion - (Example 1) Part 1

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This short video details how to calculate a 90% Confidence Interval for a Single Population Proportion. The test relies upon a z-score for the appropriate interval size.
  1. Maths and Stats
  2. Confidence Intervals
  3. 90% Confidence Interval
  4. Confidence Interval of a Proportion
  5. 95% Confidence Interval
  6. 98% Confidence Interval
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