Forasimplerandomsampleof n subjects,explainwhyitisabout95%likelythatthesample proportionhaserrornomorethan 1~ n in estimatingthepopulation proportion.(Hint: To showthis1~ n rule, findtwo standard

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Forasimplerandomsampleof n subjects,explainwhyitisabout95%likelythatthesample proportionhaserrornomorethan 1~

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n in estimatingthepopulation proportion.(Hint: To showthis“1~

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n rule,” findtwo standard errorswhen π = 0.50, andexplainhowthiscompares to twostandarderrorsatothervaluesof π.) Usingthisresult,showthat n = 1~M2 is asafe sample sizeforestimatingaproportiontowithin M with 95%confidence.

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