The quality-control inspector of production plant will reject batch of syringes if two or more defective syringes are found in random sample of nine syringes taken from the batch. Assume the batch contains 4% defective syringes. Determine μ the expected number of defective syringes the inspector will find. Round your answer to two decimal places.
Answer
a. μ = 0.59
b. μ =3.60
c. μ = 0.36
d. μ = 0.22
e. μ = 2.25