in clinical trials of allergy medicine clarinex 5 mg it was reported that 50 out of 1655 individuals in clarinex group and 31 out of 1652 individuals in placebo group experienced dry mouth as a possible side effect of their respectivetreatments. the results of a 95% confidence interval for the proption of clarinex users who ecperince dry mouth munus the proportion of placebo takers who ecpericened dry mouth are ( 0.0009,0.0220) interpret the interval in context

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2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.