Question: Can you please explain how to answer this question? A researcher wants to calculate theprevalenceof Alzheimer's among members of a specific community who are 65

Can you please explain how to answer this question?

A researcher wants to calculate theprevalenceof Alzheimer's among members of a specific community who are 65 years of age and older. The researcher needs to know how many individuals who are 65 years of age or older need to be recruited for the study to ensure theestimated prevalence will be within 1.0%of the true proportion. Calculate the sample size needed by the researcher if a national study has shown11.11%of individuals 65 years of age have Alzheimer's and the researcher wants to be95% confident of the estimate.

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