A Quality Control Officer Tests Bottles of Shampoo to See

Multiple Choice

A quality control officer tests bottles of shampoo to see if the filling machines are putting the proper amount in each bottle. After testing a sample of bottles, the quality control officer decides to leave the filling machines operating. However, the filling machines are not operating properly. Which type of error, if any, did the quality control officer commit?

A) This is a Type I error.
B) This is a Type II error.
C) This is a correct decision.
D) This is an incorrect decision.