Statistics Flashcards: Using Normal Distributions To Estimate Populations

Study Using Normal Distributions To Estimate Populations in Statistics with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.

QUESTION

Using the Empirical Rule, estimate $P(X<\mu-3\sigma)$ for normal data.

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ANSWER

About $0.0015$ . 99.7% within $3\sigma$ , so 0.3% in both tails, 0.15% in lower tail.

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What this deck covers

This deck focuses on Using Normal Distributions To Estimate Populations, giving you a quick way to review the definitions, rules, and examples that matter most for Statistics.

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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

Normal data have mean 500 and SD 100. What score is the 90th percentile?

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