A Machine That Produces a Major Part for an Airplane

Multiple Choice

A machine that produces a major part for an airplane engine is monitored closely. In the past, 6% of the parts produced would be defective. With a .95 probability, the sample size that needs to be taken if the desired margin of error is .04 or less is

A) 70.
B) 69.
C) 135.
D) 136.