Are the pairs of events given below Independent? In each case, verify mathematically an_d explain what it means in terms of the problem. Use the four-step process. f. U,A g. U.T J m 5. Suppose that 72% of adults know how to swim and that one person's ability to swim is independent of that of another randomly selected person. SYMBOLIZE EACH STATEMENT FIRST. 3. If four adults are chosen at random, what is the probability that all four of them can swim? b. What is the probability that at least one of the four adults cannot swim