Question

A quality control manager suspects that two production lines producing magnets are not producing the same proportion of defective magnets. If a random sample of 250 magnets from production line 1 has 11 defective magnets and if a random sample of 300 magnets from the production line 2 has 17 defective magnets. The manager would like to know whether line 1 produces fewer defective magnets than line 2. Use a 0.10 level of significance

Answer 1

Conclusion; There is no evidence to conclude that  line 1 produces fewer defective magnets than line 2.