The test static z is 1.70314888.
Static Testing is a type of software testing in which application is tested without executing the code.
Given a software company is interested in improving customer satisfaction rate from the 51% currently claimed. The company sponsored a survey of 163 customers and found that 94 customers were satisfied.
Population proportion = 0.51
Sample proportion = 94/163
=0.57668711656 = p
The test statistic is given by the relation,
z = (0.57668711656 - 0.51) / √[0.51 (1-0.51)/163]
z = 1.70314888
Thus, the test static z is 1.70314888.
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