Ten years ago 53% of american families owned stocks or stock funds. sample data collected by the investment company institute indicates that the percentage is now 46% (the wall street journal, october 5, 2012). a. develop appropriate hypotheses such that rejection of h0 will support the conclusion that a smaller proportion of american families own stocks or stock funds in 2012 than ten years ago. h0 : μ ha : μ b. assume the investment company institute sampled 300 american families to estimate that the percent owning stocks or stock funds was 46% in 2012. what is the p-value for your hypothesis test (to 4 decimals)? c. at α=.01, what is your conclusion? p-value .01, h 0. we that there is in the proportion of american families owning stock.