um is being held to determine whether the transportation authority should issue additional highway bonds. A sample of 550 voters is taken in county A, and 245 say that they favor the bond proposal. A sample of 600 voters is taken in county B, and 275 say that they favor the bond issue. Perform a hypothesis test to measure the strength of the evidence that the proportion of voters who favor the proposal is greater in county A than in county B. Use the α = 0.02 level of significance.

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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.