Mathematical Methods · Unit 4 · Interval estimates for proportions · Confidence intervals for proportions

Understand and use the relationship between margin of error, level of confidence and sample size.

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Understand and use the approximate margin of error, 𝑧√𝑝̂(1−𝑝̂) 𝑛.
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Understand that there are variations in confidence intervals between samples and that most, but not all, confidence intervals contain 𝑝.
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