Assume that two independent random samples of sizes and have been selected from binomial populations with parameters and , respectively. The standard error of the sampling distribution of , the difference between sample proportions, is estimated by .

Question

Assume that two independent random samples of sizes  and  have been selected from binomial populations with parameters  and  , respectively. The standard error of the sampling distribution of  , the difference between sample proportions, is estimated by  .

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The Answer of Assume that two independent random samples of sizes  and  have been selected from binomial populations with parameters  and  , respectively. The standard error of the sampling distribution of  , the difference between sample proportions, is estimated by  .

Assume That Two Independent Random Samples of Sizes and