" :'vulgi [:iulntl'izhly' ill-nan: _ are estimated that 28% of all adults in the United States invest in stocks and that 87% of U.S. adults have 1 investments in xed income instruments (savings accounts, bonds, etc.). It is also estimated that 24% of ' U.S. adults have investments in both stocks and xed income instruments. Answer the questions below. (If necessary, consult a list of formulas.) (a) What is the probability that a randomly chosen stock investor also invests in xed Income instruments? Round your answer to 2 decimal places. D (b) What is the probability that a randomly chosen U.S. adult invests in stocks, given that s/he invests in fixed income instruments? Round your answer to 2 decimal places. 1]