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Distribution of differences in sample proportions

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Reference no: EM131981805

If random samples of the given sizes are drawn from populations with the given proportions, find the mean of the distribution of differences in sample proportions, P1-P2.

n1=230 from p1=0.4  and n2=230 from p2=0.7

Round your answers to three decimal places, if necessary.

mean =

Reference no: EM131981805

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