28.6% of the cases the victim was under 16 years old, in 21.2% the accident occurred at night, and 8.9% the victim was under 16 and the accident occurred at night.
What is the probability that the victim was under 16 or the accident occurred at night?
What is the probability that the victim was 16 or older and the accident occurred during the day?
P(A or B) = P(A) + P(B) - P(A and B)
your data fits that formula