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A researcher wishes to estimate the proportion of children in a certain neighborhood who are living with only one parent. She wishes to achieve a

A researcher wishes to estimate the proportion of children in a certain neighborhood who are living with only one parent. She wishes to achieve a margin of error of 0.019. What is the minimum sample size needed? O A. 1,385 O B. 53 O C. 2,770 O D. 5,540

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