A Market Research Company Claims That 25% of All Customers

Multiple Choice

A market research company claims that 25% of all customers to a department store visit the shoe department. Suppose a department store conducts its own survey and finds that 79 out of 384 customers visit the shoe department.
-Calculate the appropriate test statistic to test the hypotheses.

A) -2.15
B) -2.00
C) -0.91
D) 2.00
E) 2.51