(4 marks) If n-( Zs o/w)2 How large a sample size is necessary if the width of the 95% interval is to be .30? Show transcribed image text
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(4 marks) If n-( Zs o/w)2 How large a sample size is necessary if the width of the 95% interval is to be .30? Show transcribed image text
An answer will be send to you shortly. . . . .