A vending machine dispenses coffee into a twentyounce cup th

A vending machine dispenses coffee into a twenty-ounce cup. the amount of coffee dispensed into the cup is normally distriubuted with a standard deviation of 0.05 ounce. You can allow the cup to overfill 4% of the time. What amount should you set as the mean amount of coffee to be dispensed?

For 10% overfill, z=1.28

x=1.28*0.03+20=20.0384