Enrich · Mathematics Standard 11–12 – Year 12 – Standard 2 · The normal distribution

Enrich Model and apply the empirical rule, where approximately 68% of data will have z -scores between −1 and 1, approximately 95% of data will have z -scores between −2 and 2, and approximately 99.7% of data will have z -scores between −3 and 3

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