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A car insurance company is interested in the association between age and the frequency of
car accidents. They obtained the following sample data.

a) What is the probability that a randomly selected participant was under age 25?
b) What is the probability that a randomly selected participant was under age 25 or in more
than 1 car accident?
c) What is the probability that a randomly selected participant was over age 45 and in 0 car
accidents?
d) What is the probability that a randomly selected participant was over age 45 if it is own
that they were in 0 car accidents?
e) Do the events of being over 45 and having had 0 accidents in the past 3 years appear to
be independent? Justify your answer using probabilities.