In a 1993 study conducted by the American Management Association, 630 randomly selected major US firms were polled on their drug-testing policies. According to the report, " ... 85 % of the firms surveyed now test employees, applicants, or both." At the 5 % significance level, do the data provide sufficient evidence to conclude that the percentage of major US firms that drug-tested in 1993 exceeds the 1992 figure of 74 %. Also computer the corresponding p value for the test and once again draw your conclusions.