Find the z test statistic for the hypothesis test

Reference no: EM13114769

Assume that you plan to use a significance level of = 0.05 to test the claim that P1 = P2. Use the given sample sizes and numbers of successes to find the z test statistic for the hypothesis test.

In a vote on the Clean Water bill, 44% of the 205 Democrats voted for the bill while 46% of the 230 Republicans voted for it.

a. z = -0.355
b. z = -0.418
c. z = -0.251
d. z = -0.460

Reference no: EM13114769

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