It is that 28% of all adults in the United States invest in stocks and that 87% of U5. adults have investments in xed income instruments (savings accounts, bonds, etc.). It is also estimated that 24% of US. adults have inmnts in both stocks and xed income insh'uments. Answer the Mons below. (If necessary, consult a list of formulas.) (a) What is the probability that a randomly chosen stock investor also invests ' - x b .9 5 in xed income inwuments? Round your answer to 2 decimal places. ' I] (b) What is the probability that a randomly chosen U.S. adult invests in stocks, given that slhe invests in xed income instruments? Round your answer to 2 decimal places. I]