A Randomly Selected Sample of 100 Horse Owners Found That

A randomly selected sample of 100 horse owners found that 72 of them feed two flakes of grass hay in the morning and one flake of alfalfa plus one flake of grass hay in the evening to their horses. The estimated probability that horse owners feed grass hay in the morning and alfalfa plus grass hay in the evening is:

A) 0.72.
B) 0.75.
C) 0.5.
D) 0.25.