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United StatesStatisticsQuick questions

Unit 6: Inference for Categorical Data: Proportions

Quick questions on One-sample z-interval for a proportion - AP Statistics Unit 6

2short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is q1?
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A sample of n=300n = 300 gives p^=0.40\hat{p} = 0.40. Find the standard error. [1 point]
What is q2?
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Why does the large-counts check for an interval use p^\hat{p} rather than a claimed p0p_0? [1 point]

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