A manufacturer considers his production process to be out of control when defects exceed 3.9%. In a random sample of 129 items, the defect rate is 8.5% but the manager claims that this is only a sample fluctuation and production is not really out of control. At the 10% level of significance, use the critical value method to test the manager's claim.

Enter the test statistic. (Round your answer to nearest hundredth.)

A) exact info

B) original Clain

C) H0: H:1

D) distribution graphically

E)Critcal values

F) test statistic

G) statical conclsion

H) final words