Question 18 4 pts An automatic car washing machine has been installed in a gas station. Using the following sample data and n=100 car washes, 1 2 3 4 5 5 6 Sample No of complaints 1 2 2 3 3 4 3 What is the proportion defective for sample 6? 0.04 0.02 0.03 0.2 An automatic car washing machine has been installed in a gas station. Using the following sample data and n=100 car washes, 1 2 3 4 5 6 Sample No of complaints 1 2 N 3 3 4. What is the average proportion defective? O 0.025 O 0.1 O 0.2 0.05 An automatic car washing machine has been installed in a gas station. Using the following sample data and n=100 car washes, 1 2 2 3 4 5 6 Sample No of complaints 1 2 N 3 3 4 What is the standard deviation of the sampling distribution of sample proportion defective? Please carry four decimal places for the calculation. O 0.0156 O 0.002 0.0952 0.0077 An automatic car washing machine has been installed in a gas station. Using the following sample data and n=100 car washes, 1 2 3 3 4 5 5 6 Sample No of complaints 1 N N 3 3 4. What are the upper and lower control limits using 2.06 standard deviation? Please carry four decimal places for the calculation. O [0, 0.05714) O [0, 0.0925) O 10.0.3033) O 10, 0.3448) An automatic car washing machine has been installed in a gas station. Using the following sample data and n=100 car washes, 1 2 3 3 4. 5 6 Sample No of complaints 1 2 3 3 N 3 A sample of 100 washes was takes and 5 washes were found to be unsatisfactory (.e. Defective). What can we conclude? The car washing machine is functioning properly The process is out of control We should increase We should include