An automatic machine in a manufacturing process is operating properly if the lengths of an important subcomponent are normally distributed with a mean of 116 cm and a standard deviation of 4.9 cm.

A. Find the probability that one selected subcomponent is longer than 118 cm. Probability =

B. Find the probability that if 3 subcomponents are randomly selected, their mean length exceeds 118 cm. Probability=

C. Find the probability that if 3 are randomly selected, all 3 have lengths that exceed 118 cm. Probability=