Use the Following to Answer Questions : in a Survey

Multiple Choice

Use the following to answer questions : In a survey regarding job satisfaction, 574 in a sample of 934 female job-holders stated that they are satisfied with their jobs, while 500 in a sample of 755 male job-holders stated that they are satisfied with their jobs. The null hypothesis is that the proportions of all female and male job-holders who are satisfied with their jobs are the same. The alternative hypothesis is that the proportion of female job-holders who are satisfied with their jobs is lower than the proportion of male job-holders stated who are satisfied with their jobs. The significance level is 2.5%.
-What is the critical value of z for the hypothesis test?

A) -1.96
B) -2.17
C) -2.33
D) -2.05