Find the Standardized Test Statistic $\mathrm { z }$ , to Test the Hypothesis That

Multiple Choice

Find the standardized test statistic, $\mathrm { z }$ , to test the hypothesis that $\mathrm { p } 1 \neq \mathrm { p } 2$ . Use $\alpha = 0.02$ . The sample statistics listed below are from independent samples.
Sample statistics: $\mathrm { n } _ { 1 } = 1000 , \mathrm { x } _ { 1 } = 250$ , and $\mathrm { n } _ { 2 } = 1200 , \mathrm { x } _ { 2 } = 195$

A) 5.087
B) 2.798
C) 4.761
D) 3.212