AP Statistics Flashcards: Confidence Interval For A Population Proportion

Study Confidence Interval For A Population Proportion in AP Statistics with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.

QUESTION

Calculate the 95% CI for $\bar{p} = 0.45$ , $n = 200$ .

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ANSWER

$(0.385, 0.515)$ . Using $0.45 \pm 1.96\sqrt{\frac{0.45(0.55)}{200}} = (0.385, 0.515)$ .

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All flashcards

32 cards

What this deck covers

This deck focuses on Confidence Interval For A Population Proportion, giving you a quick way to review the definitions, rules, and examples that matter most for AP Statistics.

How to use these flashcards

Work through these flashcards in short sessions. Try to answer each prompt before flipping the card, then revisit any cards you miss until the explanation feels automatic.

Practice questions

1 of 50Practice questions for this set

A random sample of 60 households in a town found that 18 have a pet dog. A 95% confidence interval for the true proportion

p

of all households in the town that have a pet dog is

(0.19,\ 0.41)

. Which interpretation is correct?

Choose an answer

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