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The prevalence of a disease in Hayward is 3%. You (randomly) sample 400 Hayward residents. Let X be the number of people in your sample

The prevalence of a disease in Hayward is 3%. You (randomly) sample 400 Hayward residents. Let X be the number of people in your sample with the disease.

Can X be approximated by a Normal distribution? Explain how you know.

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