Renuka jain car wash takes a constant time of 4.5 minutes in its automated car wash cycle. autos arrive following a poisson distribution at the rate of 10 per hour. renuka wants to know:
a. the average waiting time in line.
b. the average length of the line.
c. the average time in the system.
d. what is the utilization of the car %

The fraction of defective integrated circuits produced in a photolithography process is being studied. a random sample of 300 circuits is tested, revealing 17 defectives. (a) calculate a 95% two-sided confidence interval on the fraction of defective circuits produced by this particular tool. round the answers to 4 decimal places. less-than-or-equal-to p less-than-or-equal-to (b) calculate a 95% upper confidence bound on the fraction of defective circuits. round the answer to 4 decimal places. p less-than-or-equal-to