Step 1
Given; A company produces optical-fiber cable with a mean of 0.3 flaws per 100 feet. What is the probability that there will be exactly 5 flaws in 1000 feet of cable? Round your answer to four decimal places.
Step 2
Let X denote the number of flaws in the optical cable.
The mean number of flaws per 100 feet =0.3
Thus the mean number of flaws per 1000 feet is;
Applying the formula
Answer;