Agroup of professors investigated first-year college students' knowledge of astronomy. one concept of interest was the big bang theory of the creation of the universe. in a sample of 144 freshmen students, 31 believed that the big bang theory accurately described the creation of planetary systems. based on this information, is it correct at the alphaequals0.01 level of significance to state that more than 20% of all freshmen college students believe the big bang theory describes the creation of planetary systems?