FM Auto Workshop is conducting a study for its two branches (FM1 and FM2) on oil changes and tire rotations. Two hundred customers were involved in the study. Thirty-six out of 119 oil change customers visited FM2. Thirty-five customers went to FM1 for their tire rotations.

a. Find the probability of customers visiting FM2.

b. Find the probability of customers having their oil change in FM1.

c. Determine whether the two branches are independent from the two types of services.