Proportion from the preliminary sample basics

Reference no: EM13103706

A university is planning on surveying grade 12 students in local high school to estimate the proportion who plan to attend the university after graduation. How large a sample should be selected in order to estimate the population proportion to within a margin of error of 0.02 with 97% confidence. The sample proportion from the preliminary sample was 0.18.

Reference no: EM13103706

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