Q1. Consider the following results for independent samples taken from two populations. Sample 1 nį =400 Pi= 0,48 Sample 2 n; =300 =0.36 a. What is the point estimate of the difference between the two population proportions? b. Develop a 90% confidence interval for the difference between the two population proportions. c. Develop a 95% confidence interval for the difference between the two population proportions.

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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.