Age Republican Democrat Independent other Total 18-28 205 432 98 112 847 29-38 311 301 109 83 804 39-49 250 251 150 122 773 2 50 272 283 142 107 804 Total 1,038 1,267 499 424 3,228 Use the data given in the table above to compute the probability that a randomly chosen voter from the s The voter is between 39 and 49 and is registered as a Democrat.

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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.