the amount of juice that a machine puts into a container at a bottling plant is normally distributed with a mean of 11.9 ounces and a standard deviation of 0.3 ounces.

1.What is the probability of selecting a single container that has between 11.9 and 12.6 ounces of juice? 0.4902

2.How much juice is in the fullest 3% of the containers? 11.9

3.If a sample of 20 containers is chosen, what is the probability that the mean amount of juice in the containers is more than 12.0 ounces?