30 31 32 The Write Company manufactures ballpoint pens and has been experiencing 6% rate of defective 33 pens. Modifications are made to the manufacturing process in an attempt to improve quality. 34 The manager claims that the modification procedure is better because a test of 60 pens shows 35 that only 1 is defective, 36 Assuming the rate has not changed: 37 Find the probability that exactly 1 pen is defective. 38 39 Find the probability that none are defective. 40 41 What can you conclude about the effectiveness of the modified process? 42 43 44 45