The mayor of a town has proposed a plan for the construction of an adjoining bridge. A political study took a sample of 1300 voters in the town and found that 57% of the residents favored construction. Using the data, a political strategist wants to test the claim that the percentage of residents who favor construction is more than 54%. Find the value of the test statistic. Round your answer to two decimal places.

The value of the test statistic is 2.17.

Step-by-step explanation:

The test statistic is:

In which X is the sample mean, is the hypothetised mean, is the standard deviation and n is the size of the sample.

Using the data, a political strategist wants to test the claim that the percentage of residents who favor construction is more than 54%.

This means that:

A political study took a sample of 1300 voters in the town and found that 57% of the residents favored construction.

This means that

Find the value of the test statistic.

The value of the test statistic is 2.17.